Dr. Soma Venugopal Rao-Profile


Name: Soma Venugopal Rao

Ph.d
University Of Hyderabad


Significant/Selected Publications:



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    Books


  1. G. Kirshna Podagatlapalli and S. Venugopal Rao, Ultrafast laser ablation of metals in liquids for explosives detection, Lambert Academic Publishing, Germany, 2016. (ISBN: 978-3-659-91910-7). pdf

  2. Book Chapters


  3. S. Venugopal Rao*, S. Singh, B.S. DeCristofano, and D. Narayana Rao, Theoretical and experimental study of the excited state dynamics in reverse saturable absorbers using Z-scan technique, in Optics and Optoelectronics: Theory, devices, and applications, Volume 1, 167-172, 1998, Edited by O.P. Nijhawan, A.K. Gupta, A.K. Musla, and K. Singh, Narosa Publishing House, New Delhi, (Proc. of International Conference on Optics and Lasers, Dehradun, India) (ISBN: 81-7319-285-5). pdf

  4. S. Sreedhar, S. Venugopal Rao*, P. Prem Kiran, Surya P. Tewari, G. Manoj Kumar, Development of Laser Induced Breakdown Spectroscopy at ACRHEM for applications relevant to High Energy Materials, in Emerging Trends in Laser & Spectroscopy and Applications, (ISBN # 978-81-8424-626-1), Eds. A.K. Rai, I.M.L. Das, K.N. Uttam, Allied Publishers Pvt. Ltd., 287-290, 2010. pdf

  5. D. Swain, S. Venugopal Rao*, Sub-100 femtosecond pulse propagation in nonlinear optical crystals, in Emerging Trends in Laser & Spectroscopy and Applications, (ISBN # 978-81-8424-626-1), Eds. A.K. Rai, I.M.L. Das, K.N. Uttam, Allied Publishers Pvt. Ltd., 272-276, 2010. pdf

  6. K.L.N. Deepak, S. Venugopal Rao, D. Narayana Rao, Direct Writing in Polymers with Femtosecond Laser Pulses: Physics and Applications, Laser Pulses, ISBN 979-953-307-845-7, Ed. Prof. Dr. Igor Peshko, Chapter 9, pp. 277-294 InTech Publishers, Croatia, 2012. pdf

  7. G. K. Podagatlapalli, S. Hamad, S. Sreedhar, and Surya P. Tewari, S. Venugopal Rao*, Fabrication and Characterization of Aluminum Nanostructures Using Femtosecond Ablation Technique, in Advanced Nanomaterials and Nanotechnology, Giri, P. K.; Goswami, D. K.; Perumal, A. (Eds.) Springer Proceedings in Physics, Vol. 143, pp. 229-238, Springer-Verlag, Berlin Heidelberg, 2012. (ISBN: 978-3-642-34215-8). pdf

  8. S. Venugopal Rao*, G. Krishna Podagatlapalli, Syed Hamad, S. Sreedhar, Surya P. Tewari, Ultrafast Laser Ablation: Creating Nanoparticles and Nanostructures for Applications in Photonics and Surface Enhanced Raman Scattering, Proc. Second International Conference on Advanced in Materials Processing and Characterization (AMPC2013), 317-322, Ed. s S. Balasivanandha Prabu, S Senthil Kumaran, L. Karnamoorthy, and K.A. Padmanabhan, Allied Publishers Pvt. Ltd., 2013. (ISBN: 978-81-8424-819-7) pdf

  9. S. Venugopal Rao*, G. Krishna Podagatlapalli, Syed Hamad, Applications of Metal Nanoparticles and Nanostructures Fabricated using Ultrafast Laser Ablation in Liquids, in Semiconductor and Metal Nanoparticles: Physical Properties and Device Applications, CRC Press, Chapter 11, 2016. (ISBN: 9781439878309). https://www.crcpress.com/Semiconductor-Nanocrystals-and-Metal-Nanoparticles-Physical-Properties/Chen-Liu/p/book/9781439878309 pdf

  10. A.A. Vargeese, K. Muralidharan, S. Venugopal Rao*, Nanoparticle Aluminum Preparation, Encyclopaedia of Aluminum and Its Alloys, Editors: George E. Totten, Murat Tiryakioglu, Olaf Kessler, pp. 1738-1762, 2018. (ISBN: 135104561X, 9781351045612) DOI:10.1201/9781351045636-140000230 pdf

  11. S. Venugopal Rao*, V.S. Vendamani, S. Hamad, G. Krishna Podagatlapalli, A.P. Pathak, S.V.S. Nageswara Rao, Silicon nanostructures from bulk and porous silicon using ultrafast laser ablation and ion beam modification, In Press, Encyclopaedia of Nanoscience and Nanotechnology, 2018 . pdf

  12. S. Venugopal Rao*, S. Abdul Kalam, M.S.S. Bharati, Photonics for explosives detection, Wiley Encyclopaedia of Applied Physics, 1-31, 2019 . http://dx.doi.org/10.1002/3527600434.eap826 pdf

  13. S. Venugopal Rao,* K. Naga Krishnakanth, C. Indumathi, T.C. Sabari Girisun, Nonlinear optical properties of novel nanomaterials, Handbook of Laser Technology, Lasers Applications: Materials Processing and Spectroscopy (Volume Three), ed. Chunlei Guo, 2nd edition, Volume III, Chapter 21, CRC Press, 2021. ISBN 9781138033320 DOI: 10.1201/9781315310855-21 pdf

  14. B. Chandu, M.S.S. Bharati, S. Venugopal Rao,* Wavelength Effect on Gold Nanoparticles Fabrication in Picosecond Laser Ablation and Evaluation of SERS Performance in Explosive Detection, Springer Proceedings in Physics, Ed. s Kehar Singh et al., 258, chapter 114, 2021. E-book ISBN: 978-981-15-9259-1; DOI: 10.1007/978-981-15-9259-1; Hardcover ISBN: 978-981-15-9258-4 pdf

  15. K. N. Krishnakanth, S. Venugopal Rao,* Time-resolved Femtosecond Coherent Anti-stokes Raman Spectroscopic Studies of Picric acid and Ammonium Nitrate, Springer Proceedings in Physics, Ed. s Kehar Singh et al., 258, chapter 40, 2021. E-book ISBN: 978-981-15-9259-1; DOI: 10.1007/978-981-15-9259-1; Hardcover ISBN: 978-981-15-9258-4 pdf

  16. N. Lingamurthy, S. Venugopal Rao,* Nanoparticle enhanced laser induced breakdown spectroscopy of liquids, Springer Proceedings in Physics, Ed. s Kehar Singh et al., 258, chapter 105, 2021. E-book ISBN: 978-981-15-9259-1; DOI: 10.1007/978-981-15-9259-1; Hardcover ISBN: 978-981-15-9258-4 pdf

  17. M.S.S. Bharati, B. Chandu, Sri Bhavya Muvva, S. Venugopal Rao,* Third-order Nonlinear Optical Studies of Ti and hybrid Ti-Au Nanoparticles Generated by Laser Ablation in Liquids, Springer Proceedings in Physics, Ed. s Kehar Singh et al., 258, chapter 112, 2021. E-book ISBN: 978-981-15-9259-1; DOI: 10.1007/978-981-15-9259-1; Hardcover ISBN: 978-981-15-9258-4 pdf

  18. Linga Murthy Narlagiri, Venugopal Rao Soma,* Recent developments in standoff laser induced breakdown spectroscopy, Eds: Dr. Vivek K. Singh, Prof. Y. Deguchi, Dr. Zhenzhen Wang, and Dr. Durgesh K. Tripathi, John Wiley & Sons, Chapter 7, 137-163, 2023. https://doi.org/10.1002/9781119758396.ch7; Online ISBN: 9781119758396, Print ISBN: 9781119758402 pdf

  19. Linga Murthy Narlagiri, Venugopal Rao Soma, Nanoparticle Enhanced LIBS for Sensing Applications, Eds: Dr. Vivek K. Singh, Prof. Y. Deguchi, Dr. Zhenzhen Wang, and Dr. Durgesh K. Tripathi, John Wiley & Sons, Chapter 9, 183-210, 2023. https://doi.org/10.1002/9781119758396.ch9; Online ISBN: 9781119758396, Print ISBN: 9781119758402 pdf

  20. Peer Reviewed Journal & Refereed International Conference Papers


    2024


  21. V. Hegde, A.G. Pramod, Dalal Abdullah Aloraini, Aljawhara H. Almuqrin, M.I. Sayyed, K. Keshavamurthy, S.D. Kamath, S. Venugopal Rao, J. Gangareddy, Ultrafast Nonlinear Optical Properties of Erbium-Doped Fluorophosphate Glasses in the Near-Infrared, To be Submitted, J. Solid State Chem., 2024. (IF 3.3) pdf

  22. Shivaraj R. Maidur, Parutagouda Shankaragouda Patil, Naga Krishnakanth Katturi, S. Venugopal Rao, Qin Ai Wong, Ching Kheng Quah, Structural and Ultrafast Third-order Nonlinearities of Methyl and Methoxy Substituted Anthracene Chalcones: Z-scan, Four-wave Mixing and DFT approaches, Submitted, Optics & laser Technology, 2024 (IF 5.0) pdf

  23. Pritha Patra, Gangareddy Jagannath, Venugopal Rao Soma, Kaushik Biswas, K. Annapurna, Effect of Nd2O3 concentration on crystallization mechanism and third-order optical nonlinearity of lanthanide-titanium-tellurite glass and glass-ceramics, Submitted, Dalton Transactions, 2024. (IF 4.0) pdf

  24. Koushik Mondal, Amit Haldar, Ashim Pramanik, Dipanjan Banerjee, Venugopal Rao Soma, Shovon Pal, Pathik Kumbhakar, Interaction of Chemically Synthesized MoSe2-Noble Metal Nanocomposites with Pulsed IR and THz Radiation, Submitted, Small, 2024. (IF 13.3) pdf

  25. Akanksha Motla, Diksha Sharma, Venugopal Rao Soma, S. Annapoorni, Coupling Effect and Enhanced Detection of Organic Dyes using SERS with Ag Noble Metal Embellished Hexagonal ZnO Nanorods, Under Review, Optical Materials, 2024. (IF 3.9) pdf

  26. Mohd Shanu, Jitendra Nath Acharyya, Albin Kuriakose, Dipanjan Banerjee, Venugopal Rao Soma, and G. Vijaya Prakash, Ultrafast Dynamics, Optical Nonlinearities, and Chemical Sensing Application of Free-Standing Porous Silicon-based Optical Microcavities, Under Review, ACS Applied Materials Interfaces, 2024. (IF 9.5) pdf

  27. Dipanjan Banerjee, Mangababu Akkanboina, Kanaka Ravi Kumar, Bikash Ghose, Venugopal Rao Soma,* Nanotubular Arrayed LIPSS Achieved With Femtosecond Bessel Beam on Silver Surface for SERS-based Sensing, Under Review, J. Phys. Chem. C., 2024. (IF 3.7) pdf

  28. Venugopal Rao Soma,* Dipanjan Banerjee, Jitendra Nath Acharyya, Md. Soif Ahmed, Sudhanshu Kumar Nayak, Kalavala Shivaprakash Srivishnu, Lingamallu Giribabu, Sai Santosh Kumar Raavi, Gaddam Vijaya Prakash, Recent Advancements in the Third-order Nonlinear Optical Studies of Organics, Perovskites, and Photonic Crystals Under Review, Chemical Society Reviews, 2024. pdf

  29. Renu Kumari Rohal, Dipanjan Banerjee, Venugopal Rao Soma*, Muniappan Sankar, Third-order nonlinear Optical Properties of Highly Electron Deficient, Nonplanar Push-Pull Porphyrins: β-Nitro-Hexa-Substituted Porphyrins bearing Bromo, Phenyl, and Phenylethynyl groups, Under Revision, Dalton Transactions, 2024. (IF 4.0) pdf

  30. Kanaka Ravi Kumar, Dipanjan Banerjee, Mangababu Akkanaboina, R. Sai Prasad Goud, Arshiya Anjum, A.P. Gnana Prakash, Anand P. Pathak, Venugopal Rao Soma,* and S.V.S. Nageswara Rao, New Aspects of Femtosecond Laser Ablation of Si in Water: A Material Perspective Under Revision, J. Phys. C: Cond. Matter, 2024. (IF 2.7) pdf

  31. Sudhanshu Kumar Nayak, Md. Soif Ahmed, Rahul Murali, Chinmay Barman, Lavadiya Sireesha, Lingamallu Giribabu, Venugopal Rao Soma, Sai Santosh Kumar Raavi, Nonlinear Coherent Optical Interaction in Metal Macrocyclic Complexes for Logic Gate and Optical Switching Applications, Under Revision, ACS Applied Optical Materials, 2024. pdf

  32. Abhiram Jagannathan, K.M. Rajasekhara, G. Jagannath, S. Venugopal Rao, J. Kaewkhao, S. Kothan, R. Rajaramakrishna, Third Order Nonlinear Optical Properties of Lithium Zinc Calcium Fluoroborate Glasses Embedded with Au-Ag Nanoparticles, Under Revision, Optical Materials, 2024. pdf

  33. K. Keshavamurthy, T.N. Ashoka, K. Gurushantha, S. Shashidhar, D. A. Aloraini, A. H. Almuqrin, M.I. Sayyed, Vinod Hegde, G. Jagannath, S. Venugopal Rao, and A.G. Pramod, Effect of Silver Nanoparticles Sizes on the Ultrafast Optical Nonlinear and Optical Limiting Properties of Nd3+ Doped Antimony Borate Glasses, Under Revision, Infrared Physics and Technology, 2024. pdf

  34. Md Soif Ahmed, Chinmoy Biswas, Lingamallu Giribabu, Dipanjan Banerjee, Venugopal Rao Soma, Sai Santosh Kumar Raavia, Ultrafast Carrier Dynamics and Hot Carrier Injection in Metal-organic Complex Photocatalyst Adsorbed on TiO2, Under Revision, Phys. Chem. Chem. Phys., 2024. (IF 3.7) pdf

  35. Saranya Narayanan, Pratyasha Sahani, Jagannath Rathod, Venugopal Rao Soma, Ramachandra Rao Yalla, B. V. R. Tata, Thin photonic crystal templates for enhancing the SERS signal: A case study using very low concentrations of dye molecules," In Press, Phys. Scripta, 2024. (IF 2.9) pdf

  36. V. K. Ashith, E. Deepak D'Silva, Dipanjan Banerjee, S. Venugopal Rao, Characterization of sol gel derived spin coated copper incorporation of CdS films for nonlinear optical applications, Current Applied Physics, 57, 93-104, 2024. (IF 2.4) https://doi.org/10.1016/j.cap.2023.11.004 pdf

  37. Kavitha Hanamar, G. Jagannath, S.B. Kolavekar, N.H. Ayachit, Aljawhara H. Almuqrin, M.I. Sayyed, A.G. Pramod, K. Keshavamurthy, S. Venugopal Rao, B.G Hegde, Nonlinear Optical Coefficients of Samarium activated Lithium Zinc Borate Glasses in Femtosecond and Nanosecond Regimes, Optics and Laser Technology, 168, 109859, 2024. (IF 5.0) https://doi.org/10.1016/j.optlastec.2023.109859 pdf

  38. Sudhanshu Kumar Nayak, Md Soif Ahmed, Muthuraja Velpandian, Praveen Meduri, Jagannath Rathod, Venugopal Rao Soma, Sai Santosh Kumar Raavi, Enhanced NLO performance in femtosecond laser ablated quantum confined MoS2, Optical Materials, 147, 114630, 2024. (IF 3.9) pdf

  39. Jagannath Gangareddy, Pratyasha Rudra, S. Kasimuthumaniyan, K. Jayanthi, Jagannath Rathod, Venugopal Rao Soma, Subrata Das, Nitya Nand Gosvami, N.M. Anoop Krishnan, Swastik Mondal, Srabanti Ghosh, Amarnath R. Allu, Glass Substrate with Stable Embedded Gold Nano Islands: Futuristic Materials for Multi Functional Applications, Small, 20(1), 2303688, 2024. (IF 13.3) DOI: 10.1002/smll.202303688 pdf

  40. 2023


  41. Ashwini V Bhat, Sharath Ananthamurthy, Venugopal Rao Soma, Probing the onset of the bacterial membrane photodamage in time using a Raman optical tweezer, Vibrational Spectroscopy, 129, 103611, 2023. (IF 2.5) pdf

  42. Anusha N. Ekbote, Shivaraj R. Maidu, Jitendra R. Jahagirdar, Parutagouda Shankaragouda Patil, Venugopal Rao Soma, Femtosecond Nonlinear Optical Investigations of Nitro Chalcones-doped PMMA Thin films for Photonics Applications, Materials Today Communications, 37, 107240, 2023 (IF 3.8) https://doi.org/10.1016/j.mtcomm.2023.107240 pdf

  43. A. Mangababu, Dipanjan Banerjee, Kanaka Ravi Kumar, R. Sai Prasad Goud, Venugopal Rao Soma,* and S.V.S. Nageswara Rao, Sub-70 nm Surface Structures on Femtosecond Laser Irradiated GaAs in Distilled Water and Sensing Application, Optics Letters, 48(21), 5539-5542, 2023. (IF 3.6) https://doi.org/10.1364/OL.502527 pdf

  44. D. Banerjee, S. S. B. Moram, and V. R. Soma,* "Ag-doped TiO2 Nanoparticles Generated with Femtosecond Laser Ablation for Sensing RDX and Ammonium Nitrate," in Frontiers in Optics + Laser Science 2023 (FiO, LS), Technical Digest Series (Optica Publishing Group, 2023), paper JM7A.1. ISBN: 978-1-957171-29-6 https://opg.optica.org/abstract.cfm?uri=ls-2023-JM7A.1&origin=search pdf

  45. Ashim Pramanik, Partha Kumbhakar, Arindam Dey, Koushik Mondal, Dipanjan Banerjee, Venugopal Rao Soma, Pathik Kumbhakar, and Chandra Sekhar Tiwary, Synthesis, Green Photoluminescence and Studies of Nonlinear Optical Spatial Self Phase Modulation Effect in 2D Ga2Te3 Nanosheets, ACS Appl. Opt. Mater., 1,, 1634-1642, 2023. (IF NEW) https://doi.org/10.1021/acsaom.3c00119 pdf

  46. Md Soif Ahmed, Kalavala Shivaprakash Srivishnu, Chinmoy Biswas, Lingamallu Giribabu, Venugopal Rao Soma, Sai Santosh Kumar Raavi, Metal Substituted Novel Imidazole Phthalocyanines with Long-lived Excited Species and Remarkable Ultrafast Nonlinear Optical Response, Mater. Adv., 4 , 3532-3550, 2023. (IF 5.0) DOI: 10.1039/D3MA00225J pdf

  47. Jagannath Rathod, M.S.S. Bharati, Chandu Byram, Venugopal Rao Soma*, Single-Step fabrication of Hybrid Germanium-Gold/Silver Nanoentities by Femtosecond Laser Ablation and Applications in SERS-based Sensing and Photonics, Nanotechnology, 34, 405301, 2023. (IF 3.5) https://doi.org/10.1088/1361-6528/ace3c9 pdf

  48. K. Gurushantha, Gangareddy Jagannath, Sangeeta B. Kolavekar, Aljawhara H. Almuqrin, M.I. Sayyed, A.G. Pramod, S. Venugopal Rao, K. Keshavamurthy, Annealing and Intensity Dependent Femtosecond Nonlinear Optical Studies of Sodium Zinc Borate Oxide Glasses Incorporated with Gold Nanoparticles, J. Non-Cryst. Solids, 617, 122484, 2023. (IF 3.5) https://doi.org/10.1016/j.jnoncrysol.2023.122484 pdf

  49. N. Chowdareddy, G. Jagannath, Ashok R Lamani, G. Ravitheja, A.G. Pramod, Aljawhara H. Almuqrin, M.I. Sayyed, K.N.N. Prasad, K.N. Sathish, B.S. Avinash, H. S. Jayanna, S. Venugopal Rao, K. Keshavamurthy, Nonlinear Refractive Index Enhancement of Nd3+ Loaded Borate Glasses in the Near-infrared Region by Silver Nanoparticles, Opt. Mater., 142, 114067, 2023. (IF 3.9) https://doi.org/10.1016/j.optmat.2023.114067 pdf

  50. Jagannath Gangareddy, Hamad Syed, Saswata Chakraborty, K. Annapurna, Manasi Ghosh, Krishna Kishor Dey, Venugopal Rao Soma*, Amarnath R. Allu, Tunable, Efficient, Ultrafast Broadband Nonlinear Optical Properties of TiO2-loaded Complex Phosphate Glasses, Mater. Res. Bull., 167, 112414, 2023. (IF 5.4) https://doi.org/10.1016/j.materresbull.2023.112414 pdf

  51. Sree Satya Bharati Moram, Jagannath Rathod, Dipanjan Banerjee, Venugopal Rao Soma*, Ultrafast laser-ablated nanoparticles and nanostructures for SERS-based sensing applications, Journal of Visualized Experiments (JOVE), 196,e65450, 2023. DOI: 10.3791/65450; jove.com/t/65450 pdf

  52. Md Soif Ahmed, Sudhanshu Kumar Nayak, Lavadiya Sireesha, Jagannath Rathod, Venugopal Rao Soma, Santosh Kumar Raavi, Enhanced Femtosecond Nonlinear Optical Response in Mn-doped Cs2AgInCl6 nanocrystals, Optics Letters, 48(13),3519-3522, 2023. (IF 3.5) https://doi.org/10.1364/OL.494431 pdf

  53. Sampath Kumar Satani, Sree Satya Bharati Moram, Venugopal Rao Soma,* Fabrics loaded with gold nanostars as flexible SERS substrates and swab-based detection of a pesticide on fruits and vegetables, J. Phys. D: Appl. Phys., 56, 375103, 2023. (IF 3.41) https://doi.org/10.1088/1361-6463/acdb82 pdf

  54. Md Soif Ahmed, Lavadiya Sireesha, Sudhanshu Kumar Nayak, Rangarajan Bakthavatsalam, Dipanjan Banerji, Venugopal Rao Soma, Janardan Kundu, Sai Santosh Kumar Raavi, Unveiling the Mechanism of Near-infrared Emission and Three-Photon Absorption in Rare-earth Doped Double Perovskite Nanocrystals, Nanoscale, 15, 9372-9389, 2023. (IF 8.31) DOI: 10.1039/D3NR00988B. pdf

  55. V.S. Vendamani, Reshma Beeram, Venugopal Rao Soma*, MoS2 Nanosheets Decorated Plasmonic Silicon Nanowires as SERS Substrates for Ultra-sensitive Multiple Analyte Detection, Journal of Alloys and Compounds, 959, 170573, 2023. (IF 6.37) https://doi.org/10.1016/j.jallcom.2023.170573 pdf

  56. G. Ravi Kiran, B. Chandu, Swati Ghosh Acharyya, S. Venugopal Rao, Tarak Nath De, Characterization of few layer graphene sheets synthesized using femtosecond LASER at ambient condition through eco-friendly route, IEEE Transactions on Nanotechnology, 22, 252-259, 2023. (IF 2.57), DOI: 10.1109/TNANO.2023.3272009 pdf

  57. K. Gurushantha, G. Jagannath, S.B. Kolavekar, A.G. Pramod, Aljawhara H. Almuqrin, M.I. Sayyed, Narlagiri Linga Murthy, S. Venugopal Rao, K. Keshavamurthy, Gold Nanoparticles Enhanced Femtosecond Nonlinear Optical Properties of Sodium Borate Oxide Glasses, Infrared Physics and Technology, 131, 104662, 2023. (IF 2.99) https://doi.org/10.1016/j.infrared.2023.104663 pdf

  58. Renu Kumari Rohal, Dipanjan Banerjee, Tavleen Manchanda, Muniappan Sankar, Venugopal Rao Soma,* Ethyl Acetoacetate and Acetylacetone Appended Hexabromo Porphyrins: Synthesis, Spectral, Electrochemical, and Femtosecond Third-Order Nonlinear Optical Studies, Dalton Transactions, 52, 5523-5533, 2023. (IF 4.57) DOI: 10.1039/D3DT00005B. pdf

  59. Srinivasa Rao Konda, Rahul A. Rajan, Subhash Singh, Rashid A. Ganeev, Venugopal Rao Soma, Amit Srivastava, Venkatesh Mottamchetty, Chunlei Guo, and Wei Li, Role of Embedded Ni-nanoparticles on the Femtosecond Nonlinear Absorption of Tungsten Disulfide, Optical Materials, 138, 113657, 2023. (IF 3.75) https://doi.org/10.1016/j.optmat.2023.113657 pdf

  60. Reshma Beeram, Vepa Kameswara Rao, Venugopal Rao Soma*, Recent Trends in SERS-Based Plasmonic Sensors for Disease Diagnostics, Biomolecules Detection, and Machine Learning Techniques, Biosensors (MDPI), 328, 2023. (IF 5.74) https://doi.org/10.3390/bios13030328 pdf

  61. Sudhanshu Kumar Nayak, Ranjith Kore, Md Soif Ahmed, Dipanjan Banerjee, Pankaj Verma, Rohini Vallavoju, Someshwar Pola, Venugopal Rao Soma, Prabhakar Chetti, Sai Santosh Kumar Raavi, Aromatic Hydrocarbon-based Benzo[e]pyrene Derivatives: Superior Three-photon Absorption and Optical Limiting, Opt. Mater., 137, 113603, 2023. IF 3.75, https://doi.org/10.1016/j.optmat.2023.113603 pdf

  62. Chandu Byram, M.S.S. Bharati, Dipanjan Banerjee, Reshma Beeram, Jagannath Rathod, and Venugopal Rao Soma*, Ultrafast Laser Ablation Studies for Sensing and Photonic Applications: Recent Advances, J. Opt. (Topical Review), 25, 043001, 2023. https://doi.org/10.1088/2040-8986/acbc31 pdf

  63. Sarvani Jowhar Khanam, Dipanjan Banerjee, Venugopal Rao Soma,* and Murali Banavoth, Enhanced Stability and Strong Three-photon Absorption in SrCl2-doped FAPbBr3 Perovskite Colloidal Solutions, J. Mater. Chem. C, 11 3275-3283, 2023. (IF 8.07) DOI: 10.1039/d2tc05528g pdf

  64. Dipanjan Banerjee, Mangababu, Akkanaboina, Kanaka Ravi Kumar, Venugopal Rao Soma*, Femtosecond Bessel Beam Induced Ladder-like LIPSS on Trimetallic Surface for SERS-based Sensing of Tetryl and PETN, Applied Surface Science, 616, 156561, 2023. (IF 7.39) https://doi.org/10.1016/j.apsusc.2023.156561 pdf

  65. V.S. Vendamani, Reshma Beeram, S.V.S. Nageswara Rao, and Venugopal Rao Soma,* Strategical Investigations of AuNPs Capped Silver dendrites on Si for Molecular Detection Using Surface-enhanced Raman Scattering Technique, STAR Protocols, 4, 102068, 2023. (IF NEW) https://doi.org/10.1016/j.xpro.2023.102068 pdf

  66. Sree Satya Bharati Moram, Byram Chandu, Venugopal Rao Soma*, Femtosecond Laser Patterned Silicon Embedded with Gold Nanostars as Hybrid SERS Substrate for Pesticide Detection, RSC Advances, 13, 2620-2630, 2023. (IF 4.04) DOI: 10.1039/d2ra07859g pdf

  67. A.G. Pramod, Gangareddy Jagannath, Hanan Al-Ghamdi, Aljawhara H. Almuqrin, M.I. Sayyed, Sangeeta B. Kolavekar, S. Venugopal Rao, Effect of Pr6O11 on Improving the Near-Infrared Nonlinear Optical Characteristics of Zinc Borate Glasses Optical Materials, 136, 113372, 2023. (IF 3.75) https://doi.org/10.1016/j.optmat.2022.113372 pdf

  68. A. Rambabu, S. Sheetal, S. Akanksha, Y. Balaji, S. Venugopal Rao, S. Hamad, G. Krishna Podagatlapalli, Strong Two-Photon Absorption and Reduced Thermal Effects in Ag-Pt and Al-Pt Bi-Metallic Nanoparticles, Optics and Laser Technology, 160, 109032, 2023. (IF 4.94) https://doi.org/10.1016/j.optlastec.2022.109032 pdf

  69. A. Mangababu, Dipanjan Banerjee, Ravi Kumar Kanaka, R. Sai Prasad Goud, Venugopal Rao Soma,* S.V.S. Nageswara Rao, Gold Nanoparticles Decorated GaAs Periodic Surface Nanostructures for Trace Detection of RDX and Tetryl, Surfaces and Interfaces, 36, 102563, 2023. (IF 6.14) https://doi.org/10.1016/j.surfin.2022.102563 pdf

  70. Reshma Beeram, V.S. Vendamani, Venugopal Rao Soma,* Deep Learning Approach to Overcome Signal fluctuations in SERS for Efficient On-Site Trace Explosives Detection, Spectrochimica Acta A, 289, 122218, 2023. (IF 4.83) https://doi.org/10.1016/j.saa.2022.122218 pdf

  71. Md Soif Ahmed, Chinmoy Biswas, Botta Bhavani, S. Prasanthkumar, Dipanjan Banerjee, Lingamallu Giribabu, Venugopal Rao Soma, Sai Santosh Kumar Raavi, Ultrafast Time-Resolved Absorption Spectra and Nonlinear Optical Responses of Metalated Porphyrin Napthalimide Based Donor-Acceptor Systems, , J. Photochem. Photobiol. A, 435, 114324, 2023. (IF 5.14) https://doi.org/10.1016/j.jphotochem.2022.114324 pdf

  72. Pratyasha Sahani, Saranya Narayanan, B.V.R.

    2022


  73. D. Banerjee, A. Mangababu, R. Beeram, R. K. Kanaka, and V. R. Soma,* "Femtosecond Bessel Beam Produced Bimetallic Nanoparticles for Nonlinear Optical Switching and Sensing Applications," in Frontiers in Optics + Laser Science 2022 (FIO, LS), Technical Digest Series (Optica Publishing Group, 2022), paper FW6C.5. ISBN: 978-1-957171-17-3 https://opg.optica.org/abstract.cfm?uri=fio-2022-FW6C.5 pdf

  74. M. Amrita, R.R. Srikant, M.S.S. Bharati, B. Chandu, S. Venugopal Rao, S.K. Tripathy, Green Machining Using Graphene based Self-lubricating Cutting Tool - A Preliminary Experimentation, World Journal of Engineering, 19/6, 745-754, 2022. DOI: 10.1108/WJE-12-2020-0648 pdf

  75. G. Jagannath, K. Keshavamurthy, P. Ramesh, Dalal Abdullah Aloraini, Aljawhara H. Almuqrin, M.I. Sayyed, N. Linga Murthy, S. Venugopal Rao, Tunable Ultrafast Near-Infrared Nonlinear Optical Properties of Eu3+ and Silver Nanoparticles Doped Alkali Borate Glasses, Infrared Physics and Technology, 127, 104407, 2022. (IF 2.99) https://doi.org/10.1016/j.infrared.2022.104407 pdf

  76. M. Haribabu, S. Hamad, B. Dipanjan, M.S.S. Bharati, J. Chelsea, S. Venugopal Rao, G. Krishna Podagatlapalli, Exciton mediated Surface-Enhanced Raman studies of Aluminum doped Platinum Nano colloids, Optical Materials, 133, 113013, 2022. (IF 3.75) https://doi.org/10.1016/j.optmat.2022.113013 pdf

  77. G. Jagannath, K. Keshavamurthy, Dalal Abdullah Aloraini, Aljawhara H. Almuqrin, M.I. Sayyed, Narlagiri Linga Murthy, S. Venugopal Rao, Annealing Duration Dependent Optical, Nonlinear Optical, and Optical Limiting Properties of Rare-Earth Doped Glasses Embedded with Gold Nanoparticles, J. Non-Cryst. Solids, 597, 121921, 2022. (IF 4.46) pdf

  78. C. Yao, Y. Song, H. Tian, and V.R. Soma*, Editorial: Advanced nonlinear optical materials and devices, Front. Phys. 10, 1025019, 2022. doi: 10.3389/fphy.2022.1025019 pdf

  79. Rajesh Rawat, Bibek Kumar Singh, Archana Tiwari, N. Arun, A. P. Pathak, Yagnesh Shadangi, N. K. Mukhopadhyay, Srinivasa Rao Nelamarri, S. Venugopal Rao, A. Tripathi, Formation of CuNi enriched Phases During Laser Processing of Non-Equiatomic AlSiCrMnFeNiCu J. Alloys and Compounds, 927, 166905, 2022. (IF 6.37) pdf

  80. Qin Ai Wong, Ching Kheng Quah, Xin Ai Wong, Yip-Foo Win, Huey Chong Kwong, Parutagouda Shankaragouda Patil, Neelamma B. Gummagol, and S. Venugopal Rao, A Comprehensive Study on the Photophysical and Non-Linear Optical Properties of Thienyl-Chalcone Derivatives, Phys. Chem. Chem. Phys., 24, 21927-21953, 2022. (IF 3.95) pdf

  81. K. S. Srivishnu, Manne Naga Rajesh, Dipanjan Banerjee, Venugopal Rao Soma,* Lingamallu Giribabu, Novel Phosphorus (V) Tetrabenzotriazacorroles: Synthesis, Characterization, Optical, Electrochemical, and Femtosecond Nonlinear Optical Studies, Dalton Transactions, 51, 13779 13794, 2022 (IF 4.57) DOI: 10.1039/D2DT02298B pdf

  82. S. Mohamed, F.A. Samad, M. Ashour, M. Sh. Abdel-Wahab, W.Z. Tawfik, R. Zakaria, Venugopal Rao Soma, and Tarek Mohamed, Enhanced and Tunable Femtosecond Nonlinear Optical Properties of Pure and Nickel-doped Zinc Oxide Films, Applied Optics, 61(25), 7283-7291, 2022. (IF 1.91) https://doi.org/10.1364/AO.465390 pdf

  83. V.S. Vendamani, Reshma Beeram, M.M. Neethish, S.V.S. Nageswara Rao, and Venugopal Rao Soma,* Wafer-scale Silver Nanodendrites with Homogeneous Distribution of Gold Nanoparticles for Biomolecules Detection, iScience, 25(8), 104849, 2022. (IF 6.11) https://doi.org/10.1016/j.isci.2022.104849 pdf

  84. A. Mangababu, Dipanjan Banerjee, Kanaka Ravi Kumar, R. Sai Prasad Goud, Venugopal Rao Soma,* and S.V.S. Nageswara Rao, A Comparative Study of GaAs Nanostructures Synthesized in Air and Distilled Water by Picosecond Pulsed Laser Ablation and Application in Hazardous Molecules Detection, J. Laser Applications, 34, 032014, 2022. (IF 2.33) pdf

  85. Kanaka Ravi Kumar, Dipanjan Banerjee, A. Mangababu, R. Sai Prasad Goud, Venugopal Rao Soma,* and S.V.S. Nageswara Rao, Picosecond Ablation of Varying Resistivity Silicon and Resulting Nanostructures for SERS-based Sensing Applications, J. Phys. D: Appl. Phys., 55, 405103, 2022. (IF 3.41) pdf

  86. Chinmoy Biswas, Palivela Siva Gangadhar, Lingamallu Giribabu, Prabhakar Chetti, Dipanjan Banerjee, Venugopal Rao Soma,* Sai Santosh Kumar Raavi, Ultrafast Intramolecular, Charge Transfer Dynamics and Nonlinear Optical Properties of Phenothiazine-based push-pull Zinc Porphyrin, J. Photochem. Photobiol. A: Chem, 433, 114141, 2022. (IF 5.14) pdf

  87. A.G. Pramod, G. Jagannath, Dalal Abdullah Aloraini, Aljawhara H. Almuqrin, M.I. Sayyed, K.N. Sathish, Sangeeta B. Kolavekar, Soma Venugopal Rao, and Vinod Hegde, Enhanced Near-Infrared Femtosecond Nonlinear Optical Properties in Zinc Borate Glasses with Er2O3, Optical Materials, 131, 112679, 2022. (IF 3.75) pdf

  88. Md Soif Ahmed, Chinmoy Biswas, Dipanjan Banerjee, Prabhakar Chetti, Jye-Shane Yang, Venugopal Rao Soma,* Sai Santosh Kumar Raavi, Femtosecond Third-Order Nonlinear Optical Properties of Unconstrained Green Fluorescence Protein Chromophores, Frontiers in Physics (Optics & Photonics), 10, 914135, 2022. (IF 3.72) pdf

  89. Chandu Byram, Jagannath Rathod, Sree Satya Bharati Moram, Akkanaboina Mangababu, and Venugopal Rao Soma,* Picosecond Laser-ablated Nanoparticles Loaded Filter Paper for SERS-based Trace Detection of Thiram, RDX, and Nile Blue, Nanomaterials (MDPI), 12(13), 2150, 2022 (IF 5.72) pdf

  90. M. Amrita, B. Kamesh, R.R. Srikant, M.S.S. Bharati, B. Chandu, S. Venugopal Rao, Experimental investigation on effect of inclusion of graphene while machining Ti6Al4V, International Journal of Machining and Machinability of Materials, 24(1/2), 149-164, 2022. pdf

  91. M. Amrita, B. Kamesh, R.R. Srikant, M.S.S. Bharati, B. Chandu, and S. Venugopal Rao, Sustainability Evaluation of Machining Ti6Al4V with Graphene Inclusion, Int. J. Automotive and Mechanical Engg., 19(2), 9647-9659, 2022. pdf

  92. Jagannath Rathod, Chandu Byram, Kanaka Ravi Kumar, Moram Sree Satya Bharati, Dipanjan Banerjee, Akkanaboina Mangababu, and Venugopal Rao Soma,* Hybrid-SERS Substrates for Trace Detection of Ammonium Nitrate, Thiram, and Nile Blue, ACS Omega, 7, 15969, 2022. pdf

  93. Dipanjan Banerjee, A. Mangababu, Subhasree Ghosh, Venugopal Rao Soma,* Ultrafast Bessel Beam Fabricated Novel and Versatile Ag Nanostructures for Ultra Trace-level Detection of Several Hazardous Materials Including Explosives, Materials, 15, 4155, 2022. pdf

  94. Linga Murthy Narlagiri, M.S.S. Bharati, Reshma Beeram, Dipanjan Banerjee, and Venugopal Rao Soma*, Recent Trends in Laser-based Standoff Detection of Hazardous Molecules , Trends in Analytical Chemistry, 153, 116645, 2022. (IF 14.2) pdf

  95. Reshma Beeram, Dipanjan Banerjee, Linga Murthy Narlagiri, and Venugopal Rao Soma*, Machine Learning for Rapid Quantification of Trace Hazardous Molecules using SERS and Flexible Plasmonic Paper Substrates, Analytical Methods, 14, 1788 2022. (IF 2.89) pdf

  96. V.S. Vendamani, S.V.S. Nageswara Rao, A.P. Pathak, and Venugopal Rao Soma,* Multi-Dimensional Silicon Nanostructures for Molecular Sensing Applications, ACS Applied Nano Materials, 5(4), 4450, 2022. (IF 5.1) pdf

  97. Lingamurthy Narlagiri, Chandu Byram, Sampath Kumar Satani, Venugopal Rao Soma,* Laser Beam Steering Automation with Arduino-based CNC Shield for Standoff Femtosecond Filament Induced Breakdown Spectroscopic Studies, Applied Optics, 153, 116645, 2022. pdf

  98. F.A. Samad, M. Sh. Abdel-wahab, W.Z. Tawfik, R. Zakaria, Venugopal Rao Soma, and Tarek Mohamed, Using Ultrashort Laser Pulses to Investigate the Optical Kerr Nonlinearity in ITO Thin Films, J. Opt. Soc. Amer. B, 39(5), 1388, 2022. pdf

  99. Chinmoy Biswas, P.S. Gangadhar, Giribabu Lingamallu, Venugopal Rao Soma, Sai Santosh Kumar Raavi, Femtosecond Excited State Dynamics and Ultrafast Nonlinear Optical Investigations of Ethynylthiophene Functionalized Porphyrin, Optical Materials, 127, 112232, 2022. IF 3.75 pdf

  100. A. Mangababu, R. Sai Prasad Goud, Chandu Byram, Jagannath Rathod, Dipanjan Banerjee, Venugopal Rao Soma,* and S.V.S. Nageswara Rao, Multi-functional gallium arsenide nanoparticles and nanostructures fabricated using picosecond laser ablation, Applied Surface Science, 589, 152802, 2022 (IF 7.39).https://doi.org/10.1016/j.apsusc.2022.152802 pdf

  101. G. Jagannath, Anuraag Gaddam, S. Venugopal Rao, D.A. Agarkov, G.M. Korableva, Manasi Ghosh, Krishna Kishor Dey, Jos M. F. Ferreira, Amarnath R. Allu, Tunable Femtosecond Nonlinear Absorption and Optical Limiting Thresholds of La2O3-B2O3 Glasses by Controlling the Borate Structural Units, Scripta Materialia, 211,114530, 2021. (IF 5.61) https://doi.org/10.1016/j.scriptamat.2022.114530 pdf

  102. Srinivasa Rao Konda, Venugopal Rao Soma, Rashid A. Ganeev, Murali Banavoth, Ravi Ketavath, and Wei Li, Third-order optical nonlinearities and high-order harmonics generation in Ni-doped CsPbBr3 nanocrystals using single- and two-color chirped pulses, J. Mater. Sci., 57, 3468-3485, 2022. (IF 4.22) https://doi.org/10.1007/s10853-022-06871-z pdf

  103. Koushik Mondal, Subrata Biswas, Ashim Pramanik, Dipanjan Banerjee, Venugopal Rao Soma, Anil Kumar Chaudhary, and Pathik Kumbhakar, Giant Femtosecond Nonlinear Optical Response in Bi-metallic GO Nanocomposites, Applied Surface Science, 578, 151966, 2022.(IF 7.39) pdf

  104. 2021


  105. K. Keshavamurthy, B.N. Swetha, Fatemah Farraj Al-Harbi, G. Jagannath, Aljawhara H Almuqrin, M.I. Sayyed, A.G. Pramod, D. Rajeshree Patwari, N. Linga Murthy, S. Venugopal Rao, Improved Near-Infrared Nonlinear Optical Properties of Sm3+ Containing Borate Glasses: Effect of Silver Nanoparticles Concentration, Optical Materials, 2022. pdf

  106. L. M. Narlagiri and V. R. Soma,* "Plasma Temperature Evolution with Varying Compositions in an Alloy Using Laser Induced Breakdown Spectroscopy," in Frontiers in Optics + Laser Science 2021, C. Mazzali, T. (T.-C.) Poon, R. Averitt, and R. Kaindl, eds., Technical Digest Series (Optical Society of America, 2021), paper JW7A.29. ISBN: 978-1-55752-308-2 https://www.osapublishing.org/abstract.cfm?uri=fio-2021-JW7A.29&origin=search pdf

  107. K. Ravi Kumar, R. Jagannath, V.S. Vendamani, A.P. Pathak, S.V.S. Nageswara Rao, S. Venugopal Rao,* "Gold nanostars on porous silicon for sensing picric acid, malachite green using SERS," Proc. SPIE 11869, Counterterrorism, Crime Fighting, Forensics, and Surveillance Technologies V, 1186904 (12 September 2021); DOI: 10.1117/12.2599916 pdf

  108. C. Biswas, S. Venugopal Rao, and S. S. K. Raavi, "Femtosecond nonlinear optical properties of -conjugated diketopyrrolopyrrole substituted porphyrin molecules," in OSA Advanced Photonics Congress 2021, B. Yang, F. Leo, A. Tauke-Pedretti, S. Arafin, M. Clerici, L. Caspani, L. Busse, M. Kats, J. Fan, W. Ming (Steve) Lee, D. Caplan, N. Parsons, W. Freude, C. Tremblay, D. Hillerkuss, K. Igarashi, H. Elgala, N. Guerrero Gonzalez, R. "Patty" Stabile, K. Jaeger, R. Saive, H. Aziz, and H. Tan, eds., OSA Technical Digest (Optical Society of America, 2021), paper JTu1A.39. ISBN: 978-1-943580-94-1 https://www.osapublishing.org/abstract.cfm?uri=pvled-2021-JTu1A.39&origin=search pdf

  109. Chinmoy Biswas, S.S.K. Raavi, Venugopal Rao Soma, Prabhakar Chetti, An insight of Twisted Intramolecular Charge-transfer (TICT) State Mediated Excited State Relaxation in Water-soluble Triphenylmethane Derivative, ChemPhysChem, 22(24), 2562-2572, 2021. (IF 3.10) https://doi.org/10.1002/cphc.202100562 pdf

  110. Gajendra Kumar Inwati, Promod Kumar, Man Singh, Virendra Kumar Yadav, Ashavani Kumar, Venugopal Rao Soma, and H. C. Swart, Study of Photoluminescence and Nonlinear Optical Behaviour of AgCu Nanoparticles for Nanophotonics, Nanostructures & Nano-Objects, 28, 100807, 2021. https://doi.org/10.1016/j.nanoso.2021.100807 pdf

  111. K. Keshavamurthy, B.N. Swetha, G. Pramod, Narlagiri Linga Murthy, S. Venugopal Rao, G. Jagannath Near-Infrared Nonlinear Optical Characteristics of Silver Nanoparticles Embedded Borate Glasses Activated with Sm3+ Ions: Effect of Heat Treatment, Infrared Physics and Technology, 119, 103959, 2021. https://doi.org/10.1016/j.infrared.2021.103959 pdf

  112. Anshu Gaur, M.A. Mohiddon, Venugopal Rao Soma,* Femtosecond Nonlinear Optical Properties of Orthorhombic YbFeO3 Thin Film, J. Opt. Soc. Amer. B, 38(11), 3482-3490, 2021. DOI: 10.1364/JOSAB.431976 pdf

  113. Dipanjan Banerjee, M.S.S. Bharati, Jagannath Rathod, Twinkle Jena, G. Krishna Podagatlapalli, Venugopal Rao Soma*, Plasmon-enhanced Ultrafast and Tunable Thermo-Optic Nonlinear Optical Properties of Femtosecond Laser Ablated TiO2 and Silver-doped TiO2 Nanoparticles, Applied Surface Science, 569, 151070, 2021. (IF 6.71) https://doi.org/10.1016/j.apsusc.2021.151070 pdf

  114. Ravikiran Avasarala, Twinkle Jena, A. Chandrasekhar, Syed Hamad, Venugopal Rao Soma,* Gopala Krishna Podagatlapalli, Silicon Nanoripples Achieved via Laser Ablation Using Varied Electric Field Distribution from a Hard-edge Aperture, Results in Optics, 5, 100153, 2021. https://doi.org/10.1016/j.rio.2021.100153 pdf

  115. Linga Murthy Narlagiri and Venugopal Rao Soma*, Simultaneous Quantification of Au and Ag Composition from Bi-metallic LIBS Spectra Combined with Shallow Neural Network Model for Multi-output Regression, Applied Physics B, 127, 135, 2021. (IF 2.07) DOI: 10.1007/s00340-021-07681-y pdf

  116. K. S. Srivishnu, Dipanjan Banerjee, Ramya Athira Ramnagar, Jagannath Rathod, Lingamallu Giribabu, Venugopal Rao Soma,* Optical, Electrochemical, Third-order Nonlinear Optical Investigations of 2,3,4-trimethoxy Phenyl Substituted Non-aqueous Phthalocyanines, Frontiers in Chemistry, 9, 713939, 2021. (IF 5.25) DOI: 10.3389/fchem.2021.713939 pdf

  117. V.S. Vendamani, Reshma Beeram, S.V.S. Nageswara Rao, A.P. Pathak, and Venugopal Rao Soma,* Trace Level Detection of Explosives and Pesticides using Robust, Low-cost, Free Standing Silver Decorated Porous Silicon, Optics Express, 29(19), 30045-30061, 2021. DOI: 10.1364/OE.434275 pdf

  118. Moram Sree Satya Bharati and Venugopal Rao Soma,* Flexible SERS Substrates for Hazardous Materials Detection: Recent Advances, Opt-Electronic Advances, 4(11), 210048, 2021. (IF 9.66) DOI: 10.29026/oea.2021.210048 pdf

  119. Linga Murthy Narlagiri and Venugopal Rao Soma*, Improving Signal to Noise Ratio of the LIBS Atomic Transitions Using 2-Dimensional Correlation Analysis, OSA Continuum, 4(9), 2423-2441, 2021.https://doi.org/10.1364/OSAC.426995 pdf

  120. Konda Srinivasa Rao, Venugopal Rao Soma, Banavoth Murali, Mottamchetty Venkatesh, Yu Hang Lai, and Wei Li, Giant Enhancement of High Harmonic Generation from Laser-induced Plasmas of Ni-doped CsPbBr3 Colloidal Nanocrystals, ACS Applied Nano Materials 4(8), 8291-8301, 2021. (IF 5.1) DOI: 10.1021/acsanm.1c01490 pdf

  121. Amreetha Seetharaman, Manikandan Kandasamy, Brahmananda Chakraborty, S. Manivannan, Jothivenkatachalam Kandasamy, Subramani Kaipannan, Pandikumar Alagarsamy, Sathish Marappan, Venugopal Rao Soma*, Dhanuskodi Sivasubramanian, TiO2/Carbon Allotrope Nanohybrids for Supercapacitor Application with Theoretical Insights from Density Functional Theory, Appl. Surf. Sci., 563, 150259, 2021. (IF 6.71) https://doi.org/10.1016/j.apsusc.2021.150259 pdf

  122. M. Amrita, R.R. Srikant, M.S.S. Bharati, B. Chandu, S. Venugopal Rao, Tripathy S.K., Green Machining Using Graphene based Self-lubricating Cutting Tool - A Preliminary Experimentation, In Press, World J. Engineering, 2021. DOI: 10.1108/WJE-12-2020-0648 pdf

  123. Tayaramma D P V Jalluri, K. V. Sriram, B. Rudraswamy, G. Devarajulu, K. N. N. Prasad, A. G. Pramod, B. Eraiah, S. C. Prashantha, Vinod Hegde, S. Venugopal Rao, Gangareddy Jagannath, Photoluminescence, Nonlinear Optical, and Optical Limiting Properties of Eu3+ Activated Bismuth Borate Glasses, Infrared Physics and Technology, 116, 103784, 2021 https://doi.org/10.1016/j.infrared.2021.103784 pdf

  124. P. Ramesh, A.G. Pramod, Vinod Hegde, Sultan Khan, K. Annapurna, S. Venugopal Rao, M.I. Sayyed, Abdullah M.S. Alhuthali, K. Keshavamurthy, G. Jagannath, and M.K. Kokila, Influence of Gamma Irradiation on Photoluminescence and Nonlinear Optical Properties of Eu3+ Activated Heavy Metal Borate Glasses, Optical Materials, 116, 111102, 2021. https://doi.org/10.1016/j.optmat.2021.111102 pdf

  125. V.S. Vendamani, D. Kanjilal, and S. Venugopal Rao, Controlled Wetting Properties of Proton Beam Irradiated Silicon Nanowires, Chemical Physics,548, 111242, 2021. https://doi.org/10.1016/j.chemphys.2021.111242 pdf

  126. Shivaraj R. Maidur, Parutagouda Shankaragouda Patil, K.N. Krishnakanth, Venugopal Rao Soma*, Qin Ai Wong, Ching Kheng Quah, Ultrafast Third-order Nonlinearities of Pyridine-based Anthracene Chalcones Studied using Z-scan, DFWM, and Computational Approach: Structure-property Relationship, J. Phys. Chem. B., 125(15),3883-3898, 2021 (IF 2.86) https://pubs.acs.org/10.1021/acs.jpcb.1c01243 pdf

  127. Sandeep Kumar, Jitendra Nath Acharyya, Dipanjan Banerjee, Venugopal Rao Soma*, G. Vijaya Prakash, Muniappan Sankar, Strong Two-photon Absorption and Ultrafast Dynamics in Meso-Functionalized Push-Pull Trans-A2BC Porphyrins, Dalton Transactions,50, 6256-6272, 2021. (IF 4.19) DOI: 10.1039/D1DT00378J. pdf

  128. Naseem Fatima, A.G. Pramod, G. Jagannath, K. Keshavamurthy, P. Ramesh, Abdullah M S Alhuthali, M. I. Sayyed, Vinod Hegde, S. Venugopal Rao, and Y.F. Nadaf, Enhanced Nonlinear Optical Properties of Eu3+ Activated Glasses by Embedding Silver Nanoparticles Ceramics International, 47, 16801-16808, 2021.(IF 3.83) https://doi.org/10.1016/j.ceramint.2021.02.253 pdf

  129. K.N. Krishnakanth, Chinmoy Goswami, S.S.K. Raavi, S. Venugopal Rao*, Excited State Dynamics of Energetic Nitro/nitrogen-rich Aryl-tetrazole Derivatives, Chem. Phys. Impact,2, 100016, 2021. https://doi.org/10.1016/j.chphi.2021.100016 pdf

  130. M. S. S. Bharati, B. Chandu, D. Banerjee, D. Sarma, B. Barkakaty, S. Venugopal Rao*, Nanofibers with Au NPs as SERS Substrate for Detection of Methyl Salicylate, Bulletin of Materials Science,44, Art. No. 103, 2021. https://doi.org/10.1007/s12034-021-02402-9 pdf

  131. Y. Rajesh, M.S.S. Bharati, S. Venugopal Rao, M. Ghanashyam Krishna, Titanium Nitride Nanoparticles Decorated ZnO Nanowire Arrays as Surface Enhanced Raman Scattering Substrates, Applied Physics A, 127, 270, 2021. (IF 1.81) https://doi.org/10.1007/s00339-021-04424-w pdf

  132. Nilanjan Basu, Moram Sree Satya Bharati, Manju Sharma, Kanchan Yadav, Avanish Singh Parmar, Venugopal Rao Soma*, Jayeeta Lahiri, Few-layer Hexagonal Boron Nitride as a Raman Enhancement Material, Nanomaterials (MDPI), 11, 622, 2021. (IF 4.05) https://doi.org/10.3390/nano11030622 pdf

  133. M. Haribabu, S. Venugopal Rao, G Krishna Podagatlapalli, Surface Enhanced Raman studies of Heat-treated Silver Nanowire Films, Materials Today Proceedings, 39, 1356-1361, 2021. https://doi.org/10.1016/j.matpr.2020.04.690 pdf

  134. A. Ravikiran, S. Venugopal Rao, G Krishna Podagatlapalli, Ultrafast Laser Ablation of Silver Targets in Miscible and Immiscible Liquid Mixtures, Materials Today Proceedings, 39, 1327-1331, 2021 https://doi.org/10.1016/j.matpr.2020.04.565 pdf

  135. R. Rawat, A. Tiwari, N. Arun, S. V. S. Nageswara Rao, A. P. Pathak, Yagnesh Shadangi, N. K. Mukhopadhyay, S. Venugopal Rao, A. Tripathi, Dealloying of Al-Cu-Fe Quasicrystals using Pulsed Laser Ablation: Effects of Solvent and Fluence, J. Alloys and Compounds, 859,157871, 2021 (IF 4.65) https://doi.org/10.1016/j.jallcom.2020.157871 pdf

  136. A. Mangababu, Ch. Sianglam, B. Chandu, D.K. Avasthi, S. Venugopal Rao, M. Motapothula, and S. V. S. Nageswara Rao, Effects of Initial Grain Size and Laser Parameters on HfO2 Nanoparticles Prepared Using Femtosecond Laser Ablation in Liquids, J. Electronic Materials, 50(4), 1742-1751, 2021. (IF 1.77) https://doi.org/10.1007/s11664-020-08610-z pdf

  137. Naseem Fatima, A.G. Pramod, K. N. Krishnakanth, G. Jagannath, S. Venugopal Rao, and Y.F. Nadaf, Efficacy of Eu3+ on Improving the Near infrared Optical Nonlinearities and Optical Limiting Properties of Antimony Borate Glasses, Journal of Non-Crystalline Solids, 556, 120566, 2021. (IF 2.93) https://doi.org/10.1016/j.jnoncrysol.2020.120566 pdf

  138. Tania K. Naqvi, Abhilash Bajpai, Sree Satya Bharati Moram, Manish M. Kulkarni, Azher M. Siddiqui, S. Venugopal Rao,* Prabhat K. Dwivedi, Ultra-sensitive Reusable SERS Sensor for Multiple Hazardous Materials Detection on Single Platform, Journal of Hazardous Materials, 407, 124353, 2021. (IF 9.03)https://doi.org/10.1016/j.jhazmat.2020.124353 pdf

  139. Ramakrishna Bodapati, Gaurav Ranjan Dey, Gunjan R. Ramteke, K. V. Jovan Jose, Katturi Naga Krishnakanth, S. Venugopal Rao, and Samar K. Das, Carbazole-Based p-Conjugated 2,2'-Bipyridines, a New Class of Organic Chromophores: Photophysical, Ultrafast Nonlinear Optical and Computational Studies," Dyes and Pigments, 185 108932, 2021.(IF 4.61) https://doi.org/10.1016/j.dyepig.2020.108932 pdf

  140. Somdatta Bhattacharya, Govind Reddy, Sai Santosh Kumar Raavi, Giribabu Lingamallu, Venugopal Rao Soma*, Comparative Photophysical Studies of Imidazole Substituted Metal Phthalocyanines, Dyes and Pigments, 184, 108791, 2021. https://doi.org/10.1016/j.dyepig.2020.108791 pdf

  141. 2020


  142. K.N. Krishnakanth, Sai Santosh Kumar Raavi, L. Giribabu, S. Venugopal Rao,* Femtosecond third order nonlinear optical properties of a novel chalcone derivative by Z-scan and degenerate four wave mixing technique, Proc. SPIE 11365, Organic Electronics and Photonics: Fundamentals and Devices II, 113650W (1 April 2020); https://doi.org/10.1117/12.2558067 pdf

  143. Shivaraj R. Maidur, P.S. Patil, K.N. Krishnakanth, S. Venugopal Rao,* Femtosecond third order nonlinear optical properties of a novel chalcone derivative by Z-scan and degenerate four wave mixing technique, Proc. SPIE, 11358, Nonlinear Optics and its Applications, 2020, 113581C (1 April 2020); https://doi.org/10.1117/12.2555174 pdf

  144. P. Ramesh, G. Jagannath, B. Eraiah, S. Venugopal Rao, M.K. Kokila, Influence of PbO on Nonlinear Optical Properties of Eu3+ Doped La2O3 PbO B2O3 Glasses, AIP Conf. Proc., 2220, 080048-1 - 080048-4 (2020). https://doi.org/10.1063/5.0005512 pdf

  145. M.S.S. Bharati, B. Chandu, K. Nehra, P.S. Kumar, S. Venugopal Rao,* Filter Paper Loaded with Gold Nanoparticles as Flexible SERS Substrates for Sensing Applications, AIP Conf. Proc., 2265, 030252, 2020. https://doi.org/10.1063/5.0016882 pdf

  146. V.S. Vendamani, Y. Pardhu, D. Kanjilal, D. Kabiraj, and S. Venugopal Rao, Fabrication of Silver Honey Comb Nano Template, AIP Conf. Proc., 2265, 030139, 2020. https://doi.org/10.1063/5.0016690 pdf

  147. C. Biswas, K. N. Krishnakanth, N. V. Krishna, L. Giribabu, S. Venugopal Rao, and S. S. K. Raavi, "Femtosecond Transient Absorption Spectroscopy Studies of Ethynylthiophene Functionalized Porphyrin," in Frontiers in Optics/Laser Science, B. Lee, C. Mazzali, K. Corwin, and R. Jason Jones, eds., OSA Technical Digest (Optical Society of America, 2020), paper FM4C.8. ISBN: 978-1-943580-80-4 pdf

  148. V.S. Vendamani, S.V.S. Nageswara Rao, A.P. Pathak, and S. Venugopal Rao*, Robust, Low-cost Silver Dendritic Nanostructures for SERS-based Trace Detection of RDX and Ammonium Nitrate, RSC Advances, 10(73),, 44747-44755, 2020. (IF 3.11) DOI: 10.1039/d0ra08834j pdf

  149. Ravi Ketavath, Khetavath Praveen Kumar Naik, Sachin G. Ghugal, Naga Krishnakanth Katturi, T. Swetha, Venugopal Rao Soma, and Banavoth Murali, Metal-Free Carbazole Scaffold Dyes as Potential Nonlinear Optical Phores: Molecular Engineering, J. Mater. Chem. C, 8, 16188-16197, 2020. (IF 7.06) DOI: 10.1039/D0TC03866K. pdf

  150. S. Abdul Kalam, S. V. Balaji Manasa Rao, M. Jayananda, and S. Venugopal Rao*, Standoff Femtosecond Filament-Induced Breakdown Spectroscopy for Classification of Geological Rocks, J. Anal. Atom. Spectrom., 35(12),, 3007-3020, 2020 (IF 3.5) DOI: 10.1039/D0JA00355G. pdf

  151. Marrapu Haribabu, Avasarala Ravikiran, Soma Venugopal Rao,* P. Santosh Kumar, Gopala Krishna Podagatlapalli, Silver Nanoribbons Achieved by Picosecond Ablation Using Cylindrical Focusing and SERS-based Trace Detection of TNT, RSC Adv., 10(67), 41217-41228, 2020. (IF 3.12) DOI: 10.1039/d0ra05942k. pdf

  152. Chinmoy Biswas, K.N. Krishnakanth, L. Giribabu, Venugopal Rao Soma, S.S.K. Raavi, Femtosecond Transient Absorption Dynamics and Nonlinear Optical Investigations of p-extended Thioalkyl Substituted Tetrathiafulvalene Sensitizers, J. Phys. Chem. C, 124, 24039-24051, 2020. https://dx.doi.org/10.1021/acs.jpcc.0c06010 pdf

  153. Naga Krishnakanth Katturi, Sarang Dev G, Nagarjuna Kommu, Gopala Krishna Podagatlapalli, Venugopal Rao Soma*, Ultrafast Coherent Anti-Stokes Raman Spectroscopic Studies of Nitro/Nitrogen Rich Aryl-Tetrazole Derivatives, Chem. Phys. Lett., 756, 137843, 2020. https://doi.org/10.1016/j.cplett.2020.137843 pdf

  154. Byram Chandu, Moram Sree Satya Bharati, Pawel Albrycht, Soma Venugopal Rao*, Fabrication of Nanogrooves on Nickel using Femtosecond Laser Ablation and Trace Level Detection of Malachite Green and Nile Blue using SERS Technique, Opt. Laser Technology, 131, 106454, 2020. https://doi.org/10.1016/j.optlastec.2020.106454 pdf

  155. A. Mangababu, Sarang Dev G, B. Chandu, M.S.S. Bharati, P. Debashish, S. Venugopal Rao*, S.V.S. Nageswara Rao, Fabrication and Characterization of GaAs Nanoparticles Achieved using Femtosecond Laser Ablation, In Press, Mater. Today Proc., 2020. https://doi.org/10.1016/j.matpr.2020.05.727 pdf

  156. A. Mangababu, Sarang Dev G, B. Chandu, M.S.S. Bharati, S. Venugopal Rao, and S.V.S. Nageswara Rao, Novel Structural Phases and Investigations of Picosecond Laser Ablated GaAs Nanoparticles in Different Liquids, Nanostructures & Nano-Objects, 23, 100509, 2020. https://doi.org/10.1016/j.nanoso.2020.100509 pdf

  157. Parutagouda Shankaragouda Patil, Neelamma B. Gummagol, Qin Ai Wong, Ching Kheng Quah, Mohd Shkir, Anusha Ekbote, Shivaraj R. Maidur, S. Venugopal Rao, Structural and Femtosecond Third-Order Nonlinear Optical Properties of Electron Donor Acceptor Substituted Chalcones: An Experimental and Computational Approach, J. Mol. Struct., 1219, 128523, 2020. https://doi.org/10.1016/j.molstruc.2020.128523 pdf

  158. P. Ramesh, Vinod Hegde, A.G. Pramod, B. Eraiah, S. Venugopal Rao*, S. Shisina, Subrata Das, D.A. Agarkov, G.M. Eliseeva, G. Jagannath, and M.K. Kokila Effect of Eu3+ in Tuning the Ultrafast Third Order Optical Nonlinearity in Heavy Metal Borate Glasses Optical Materials, 108, 110051, 2020. https://doi.org/10.1016/j.optmat.2020.110051 pdf

  159. N. Linga Murthy and S. Venugopal Rao, Identification of Metals and Alloys with Multispectral images of Laser Induced Breakdown Emissions Coupled with Machine Learning, Appl. Phys. B, 126, Article # 113, 2020. (IF 1.77) https://doi.org/10.1007/s00340-020-07469-6 pdf

  160. S. Abdul Kalam, S. Venugopal Rao, "Femtosecond Filaments for Standoff Detection of Explosive Traces," Defence Science Journal 70(4), 359-365, 2020. DOI 10.14429/dsj.70.14962 pdf

  161. K.N. Krishnakanth, S.S.K. Raavi, L. Giribabu, S. Venugopal Rao, Femtosecond Transient Absorption Studies of Soret-Band Excited D-p-D Porphyrin Molecules and Third-order Nonlinear Optical Properties, Optical Materials, 107, 110041, 2020 https://doi.org/10.1016/j.optmat.2020.110041 pdf

  162. Narendra N. Pati, Sipra S. Sahoo, Sameeta Sahoo, Dipanjan Banerjee, S. Venugopal Rao and Pradeepta K. Panda, Chromatographically separable ruffled non-planar isomeric Octaalkylporphycenes: Consequences of unsymmetrical substitution upon structure and photophysical properties, New J. Chem. 44(23), 9616, 2020. (IF 3.05) DOI:10.1039/D0NJ01744B. pdf

  163. K.N. Krishnakanth, Shivaprasad Achary, Chinmoy Biswas, S.S.K. Raavi, L. Giribabu, S. Venugopal Rao*, Ultrafast Photophysical and Nonlinear Optical Properties of Free Base and Axially Substituted Phosphorus(V) Corroles, J. Mol. Liquids, 311, 113308, 2020. (IF 4.02) https://doi.org/10.1016/j.molliq.2020.113308 pdf

  164. Chinmoy Biswas, Somdatta Bhattacharya, Venugopal Rao Soma, Sai Santosh Kumar Raavi, Ultrafast Photophysical Investigations of water-soluble triphenylmethane derivative (New Fuchsin) molecule, OSA Conf. Proc., 22nd International Conference on Ultrafast Phenomena (UP 2020), 16-19 November 2020. pdf

  165. Chinmoy Biswas, Krishnakanth Naga Katturi, Naresh Duvva, Giribabu Lingamallu, Venugopal Rao Soma, Sai Santosh Kumar Raavi, "Plasmon Induced Ultrafast Excited State Interfacial Electron Dynamics of Tetrathiafulvalene Sensitizers," OSA Conf. Proc., 22nd International Conference on Ultrafast Phenomena (UP 2020), 16-19 November 2020. pdf

  166. A. Brahma Swamulu, S. Venugopal Rao, G.K. Podagatlapalli, Non-spherical Aluminum Nanoparticles Fabricated Using Picosecond Laser Ablation, International Journal of Minerals, Metallurgy and Materials Science, 27(7), 980-986, 2020. (IF 1.32) http://ijmmm.ustb.edu.cn/article/doi/10.1007/s12613-020-2032-1 pdf

  167. M. Durairaj, T. C. Sabari Girisun, and S. Venugopal Rao, 3PA-induced Optical Limiting in Pure and Barium Borate Decorated MoS2 Nanocomposite, Springer Nature Appl. Sci., 2, 1017, 2019. https://doi.org/10.1007/s42452-020-2800-6 pdf

  168. Anshu Gaur, M.A. Mohiddon, Venugopal Rao Soma, Strong Two-photon Absorption in ErFeO3 Thin Films Studied Using Near-infrared Femtosecond Z-scan Technique, J. Appl. Phys.,127(17), 173104, 2020. (IF 2.22) doi: 10.1063/5.0004346 pdf

  169. K. Athira, M. Ranjana, M. S. S. Bharati, B. Narasimha Reddy, T. G. Satheesh Babu, S. Venugopal Rao, Darbha V Ravi Kumar, Aggregation Induced, Formaldehyde Tailored Nanowire Like Networks of Cu and Their SERS Activity, Chem. Phys. Lett., 748,, 137390, 2020 (IF 1.9) https://doi.org/10.1016/j.cplett.2020.137390 pdf

  170. Y. Balaji, S. Venugopal Rao, Direct Fabrication of sub-100 nm Nanoneedles in Silver using Femtosecond Laser Direct Writing, Defence Science Journal, 70(2), 197-200, 2020. DOI: 10.14429/dsj.70.14823 pdf

  171. C. Indumathi, S. Alfred Cecil Raj, S. Venugopal Rao, K. Anitha, and T.C. Sabari Girisun, Anisotropic Nonlinear Optical and Optical Limiting Studies of EDAPA Crystal with Femtosecond Excitation, Chemsitry Select, 5, 2119-2129, 2020. https://doi.org/10.1002/slct.201903269 pdf

  172. J. Abhiram, G. Jagannath, R. Rajaramakrishn, K. Vinayak Pattar, S. Venugopal Rao, B. Eraiah, K.M. Rajashekara, J. Kaewkhao, Investigations on Nonlinear Optical Properties of Gold Nanoparticles Doped Fluoroborate Glasses For Optical Limiting Applications, J. Noncryst. Solids, 538, 120010, 2020. https://doi.org/10.1016/j.jnoncrysol.2020.120010 pdf

  173. Pinki Rathi, Ekta, Sandeep Kumar, Dipanjan Banerjee, Muniappan Sankar and S. Venugopal Rao, Unsymmetrical -Functionalized Push-Pull Porphyrins: Synthesis, Photophysical, Electrochemical and Nonlinear Optical Properties, Dalton Transactions, 49, 3198-3208, 2020. DOI: 10.1039/c9dt04252k pdf

  174. M.S.S. Bharati, Priya Lakshmi, B. Chandu, S. Venugopal Rao, Commercial DVDs with Femtosecond Laser Prepared Gold Nanoparticles as SERS Substrates, 2019 Workshop on Recent Advances in Photonics (WRAP), Guwahati, India, 2019, pp. 1-3. DOI: 10.1109/WRAP47485.2019.9013665 pdf

  175. Chandu Byram, M.S.S. Bharati, S. Venugopal Rao, Femtosecond Laser-patterned and Au-coated Iron Surfaces as SERS Platforms for Multiple Analytes Detection, 2019 Workshop on Recent Advances in Photonics (WRAP), Guwahati, India, 2019, pp. 1-3. DOI: 10.1109/WRAP47485.2019.9013717 pdf

  176. N. Linga Murthy, S. Abdul Kalam, S. Venugopal Rao, Stand-off Femtosecond Laser Induced Breakdown Spectroscopy of Metals, Soil, Plastics and Classification Studies, 2019 Workshop on Recent Advances in Photonics (WRAP), Guwahati, India, 2019, pp. 1-3. DOI: 10.1109/WRAP47485.2019.9013674 pdf

  177. R. Rawat, A. Tiwari, N. Arun, S. V. S. Nageswara Rao, A. P. Pathak, S. Venugopal Rao, A. Tripathi, Synthesis of CuO Hollow Nanoparticles using Laser Ablation: Effect of Fluence and Solvents, Applied Physics A, 126, 226, 2020. https ://doi.org/10.1007/s0033 9-020-3403-1 pdf

  178. E. Deepak D Silva, Ismayil, Anshu Gaur, Venugopal Rao Soma, Dopant induced modifications in the microstructure and nonlinear optical properties of 4N4MSP chalcone doped PVA films, Optical Materials, 101, 109708, 2020. https://doi.org/10.1016/j.optmat.2020.109708 pdf

  179. Syed Hamad, Wenchi Kong, M. Venkatesh, Kwang Jin Lee, Weili Yu, S. Venugopal Rao, Jianjun Yang and Chunlei Guo, Gaint Three-photon Absorption Response in Triple Cation Halide Mixed Perovskite Film, Advanced Optical Materials, 8, 1901766, 2020.https://onlinelibrary.wiley.com/doi/abs/10.1002/adom.201901766 pdf

  180. M.S.S. Bharati, S. Abdul Kalam, B. Chandu, S. Hamad, S. Venugopal Rao, Instantaneous Trace Detection of Nitro-explosives and Mixtures with Nanotextured Silicon Decorated with Ag-Au Alloy Nanoparticles using the SERS Technique, Analytica Chimica Acta, 1101, 157-168, 2020. https://doi.org/10.1039/C9CP05783H pdf

  181. K. Ramachandran, Arumugam Raja, N. Lingamurthy, Muthu Senthil Pandian, P. Ramasamy, S. Venugopal Rao, "Structural, optical, thermal and nonlinear optical properties of Triphenylamine (TPA) single crystal grown by Bridgman Stockbarger method" Chem. Phys. Lett., 742, 137128, 2020. https://doi.org/10.1016/j.cplett.2020.137128 pdf

  182. G. Jagannath, B. Eraiah, K. Jayanthi, Sudipta Som, G. Vinitha, A.G. Pramod, K.N. Krishnakanth, G. Devarjulu, S. Venugopal Rao, K. Annapurna, Subrata Das, and Amarnath R Allu, Influence of Gold Nanoparticles on Femtosecond Nonlinear Optical and Photoluminescence Properties of Eu2O3 Containing Alkali Borate Oxide Glasses, Phys. Chem. Chem. Phys. 22, 2019-2032, 2020. DOI: 10.1039/c9cp05783h pdf

  183. M.S.S. Bharati, B. Chandu, S. Venugopal Rao, Gold Nanoparticles and Nanostars Loaded Paper-based SERS Substrates for Sensing Nanogram-level Picric Acid with a Portable Raman Spectrometer, Bulletin of Materials Science, 43, 53, 2020. https://doi.org/10.1007/s12034-019-2017-8 pdf

  184. A. Arunkumar, P. Vijayakumar, M. Magesh, P. Ramasamy, E. Nageswara Rao, S. Venugopal Rao, A study on structural, compositional, microhardness and dielectric properties of LiInS2, crystal, Materials Research Innovations, 24(1), 8-17, 2020. DOI:10.1080/14328917.2018.1540456 pdf

  185. 2019


  186. Somdatta Bhattacharya, Chinmoy Biswas, Sai Santosh Kumar Raavi, J.V. Suman Krishna, D. Koteshwar, Giribabu Lingamallu, Venugopal Rao Soma, Synthesis, Optical, Electrochemical, DFT Studies, NLO Properties and Excited State Dynamics of a Triphenyl Imidazole Induced Phthalocyanine Derivative, RSC Advances, 9(63), 36726, 2019. pdf

  187. Tania K. Naqvi, Moram Sree Satya Bharati, Alok K. Srivastava, Manish M. Kulkarni, Azher M. Siddiqui, S. Venugopal Rao, Prabhat K. Dwivedi, Femtosecond Laser Textured Silver/Graphene Oxide Hybrid SERS Substrate for Detection of an Explosive Precursor 2,4-DNT, ACS Omega, 4, 17691-17701, 2019. http://dx.doi.org/10.1021/acsomega.9b01975 pdf

  188. G. Iyappan, P. Rajesh, P. Ramasamy, K.K. Maurya, and S. Venugopal Rao, Effect of KDP mixing on optical properties of AKDP NLO mixed crystal for electro-optic modulators, Ferroelectrics, 550, 151-172, 2019. https://doi.org/10.1080/00150193.2019.1652505 pdf

  189. G. Jagannath, B. Eraiah, K. Naga Krishnakanth, S Venugopal Rao, Influence of Eu3+ ions on Nonlinear Optical Properties of Alklai Borate Glasses at Near-Infrared Wavelengths, AIP Conf. Proc. 2142, 070024-1 070024-4, 2019. https://doi.org/10.1063/1.5122416 pdf

  190. P. Ramesh, G. Jagannath, A.G. Pramod, K. Naga Krishnakanth, S Venugopal Rao, M.K. Kokila, Femtosecond Nonlinear Optical Properties of Heavy Metal Borate Glasses Studied Using Z?scan Technique, AIP Conf. Proc. 2142, 070025-1 070025-4, 2019. https://doi.org/10.1063/1.5122417 pdf

  191. Rambabu Allu, Ravikiran Avasarala, Syed Hamad, Dipanjan Banarji, S. Venugopal Rao, G Krishna Podagatlapalli, Broadband Femtosecond NLO Properties of Silver Nanowire films, Opt. Mater., 96, 109305, 2019. https://doi.org/10.1016/j.optmat.2019.109305 pdf

  192. Ravi Ketavath, K. N. Krishnakanth, Sachin G. Ghugal, Hema Kumari Kolli, T Swetha, Venugopal Rao Soma, Banavoth Murali, Deciphering the Ultrafast Nonlinear Optical Properties of Pristine and Ni-doped CsPbBr3 Colloidal 2D Nanoplates, J. Phys. Chem. Lett., 10, 5577-5584, 2019. (IF 7.33) DOI: 10.1021/acs.jpclett.9b02244. pdf

  193. B. Chandu, M.S.S. Bharathi, S. Venugopal Rao, SERS Studies of Gold Coated Periodic Nanostructures on Iron Substrate Achieved by Femtosecond Laser Irradiation in Liquid, 50 J. Raman Spectroscopy, 1103-1113, 2019. DOI: 10.1002/jrs.5617 pdf

  194. Ramesh K. Kokal, S. Bhattacharya, L. S. Cardoso, P. B. Miranda, S. Venugopal Rao , Ch. Prabhakar, Melepurath Deepa, Sai Santosh Kumar Raavi, Low Cost, Green Sensitized Solar Cells Based on New Fucshin Dye With Aqueous Electrolyte and Platinum-free Counter Electrodes, Solar Energy, 188, 913-923, 2019. https://doi.org/10.1016/j.solener.2019.06.066 pdf

  195. K.N. Krishnakanth, M.S.S. Bharathi, Chandu Byram, S.S.K. Raavi, S. Venugopal Rao, Femtosecond Nonlinear Optical Properties and Ultrafast Excited State Dynamics of Laser Processed Au and Ag50Au50 Nanoparticles, Optical Materials, 95, 109239, 2019. https://doi.org/10.1016/j.optmat.2019.109239 pdf

  196. Kamalesh Nehra, P. Senthil Kumar, B. Chandu, M.S.S. Bharathi, S. Venugopal Rao, Comparison of Star and Hollow Shaped Au-Ag Alloy Nanoparticles Performance in Catalysis and SERS Applications, J. Phys. Chem. C., 123, 16210-16222, 2019. DOI: 10.1021/acs.jpcc.9b03086 pdf

  197. Chinmoy Biswas, K. N. Krishnakanth, J. J. Lade, A.C. Chaskar, A. Tripathi, C. Prabhakar, S. Venugopal Rao, Sai Santosh Kumar Raavi, Linear and Nonlinear Optical Properties of Soluble Pyrrolo[1,2-a]quinoxalines, Chemical Physics Letters, 730, 638-642, 2019. https://doi.org/10.1016/j.cplett.2019.06.062 pdf

  198. Somdatta Bhattacharya, Chinmoy Biswas, Sai Santosh Kumar Raavi, J.V. Suman Krishna, N. Vamsi Krishna, Giribabu Lingamallu, Venugopal Rao Soma, Synthesis, Optical, Electrochemical, DFT Calculations, NLO Properties and Ultrafast Excited State Dynamics of Carbazole Induced Phthalocyanine Derivatives, J. Phys. Chem. C., 123, 11118-11133, 2019 DOI: 10.1021/acs.jpcc.9b01531 pdf

  199. M. Saravanan, T.C. Sabari Girisun, S. Venugopal Rao, Intensity dependent nonlinear absorption properties of nanoplatelet CuFe2O4 decorated rGO layer structured nanocomposties, Springer Nature Applied Sciences, 1, 400, 2019. https://doi.org/10.1007/s42452-019-0408-5 pdf

  200. Promod Kumar, Syed Hamad, S. Venugopal Rao, M.C. Mathpal, J. H. Neethling, A. Janse van Vuuren, E.G. Njoroge, R.E. Kroon, W.D. Roos, H. C. Swart, Cu Nanoparticles in Ion Exchanged Soda-lime Glass: Study of SPR and Nonlinear Optical Behavior for Photonics, Applied Materials Today, 15, 323-332, 2019. pdf

  201. G. Jagannath, B. Eraiah, Anuraag Gaddam, Hugo Fernandes, D. Brazete, K. Jayanthi, K. Naga Krishnakanth, S. Venugopal Rao, Jos M. F. Ferreira, K. Annapurna, Amarnath R. Allu, Structural and Femtosecond Third Order Nonlinear Optical Properties of Sodium Borate Oxide Glasses: Effect of Antimony, J. Phys. Chem. C, 123, 5591-5602, 2019 DOI: 10.1021/acs.jpcc.8b09466 pdf

  202. B. Chandu, M.S.S. Bharathi, S. Venugopal Rao, SERS Based Multiple Analyte Detection from Explosive Mixtures Using Picosecond Laser Fabricated Gold Nanoparticles, Nanostructures, Analyst, 144, 2327-2336, 2019. DOI: 10.1039/C8AN01276H. pdf

  203. Kamalesh Nehra, M.S.S. Bharathi, P. Senthil Kumar, S. Venugopal Rao, Shape and Size-Controlled Synthesis of Anisotropic Gold Nanostructures: Enhanced Applications in Catalysis and SERS , New J. Chem., 43, 3835-3847, 2019 DOI: 10.1039/C8NJ06206D pdf

  204. S. Abdul Kalam, S. Venugopal Rao, Standoff discrimination and trace detection of explosive molecules using femtosecond filament induced breakdown spectroscopy combined with silver nanoparticles, OSA Continuum, 2(3), 554-562, 2019. pdf

  205. Promod Kumar, M.C. Mathpal, J. Prakash, Syed Hamad, S. Venugopal Rao, Bennie C Viljoen, Mart-Mari Duvenhage, E.G. Njoroge, W.D. Roos, H. C. Swart, Study of Tunable Plasmonic, Photoluminscence and Nonlinear Optical Behavior of Ag Nanoclusters Embedded in a Glass Matrix for Multifunctional Applications, Physica Status Solidi (a), 216(4), 1800768, 2019. DOI: 10.1002/pssa.201800768 pdf

  206. K. Naga Krishnakanth, Sudipta Seth, A. Samanta, S. Venugopal Rao, Broadband Multi-photon Absorption Studies of Phase Pure Zero-dimensional Cs4PbBr6 Perovskite Films, Nanoscale, 11, 945-954, 2019. DOI: 10.1039/C8NR06969G pdf

  207. P. Karuppasamy, T. Kamalesh, C. Senthil Kumar, Muthu Senthil Pandian, P. Ramasamy, Sunil Verma, S. Venugopal Rao, Crystal Growth, Characterization and Computational Investigations of a Promising Organic Nonlinear Optical Single Crystal:2-Aminopyridinium 4-Nitrophenolate 4-Nitrophenol (2AP4N), J. Mater. Sci.: Mater. Electron., 30(2), 1553 1570, 2019. https://doi.org/10.1007/s10854-018-0427-9 pdf

  208. M.S.S. Bharathi, B. Chandu, S. Venugopal Rao, Explosives Detection Using Ag-Cu alloy Nanoparticles Synthesized by Femtosecond Laser Ablation and Irradiation, RSC Advances, 9, 1517-1525, 2019. DOI: 10.1039/c8ra08462a pdf

  209. N. Priyadarshani, T.C. Sabari Girisun, S. Venugopal Rao, Improved femtosecond third-order nonlinear optical properties of thin layered Cu3Nb2O8 Opt. Mater., 88, 586-593, 2019. https://doi.org/10.1016/j.optmat.2018.12.034 pdf

  210. M. Dhanunjaya, C. Byram, V. S. Vendamani, S. Venugopal Rao, A. P. Pathak and S. V. S. Nageswara Rao, Hafnium Oxide Nanoparticles Fabricated by Femtosecond Laser Ablation in Water, Appl. Phys. A, 125, 74, 2019. https://doi.org/10.1007/s00339-018-2366-y pdf

  211. P. Karuppasamy, T. Kamalesh, K. Anitha, S. Abdul Kalam, Muthu Senthil Pandian, P. Ramasamy, Sunil Verma, S. Venugopal Rao , Synthesis, Growth, Structural and Characterization of a Novel Third Order Nonlinear Optical Organic Single Crystal: 2-Amino 4,6-Dimethyl Pyrimidine 4-Nitrophenol, J. Mol. Struc., 1176, 254-265, 2019. (IF 2.01) DOI: 10.1016/j.molstruc.2018.08.074 pdf

  212. 2018


  213. S. Hamad, M.S.S. Bharathi, G.K. Podagatlapalli, Y. Balaji, M.A. Mohiddon, S.V.S. Nageswara Rao, A.P. Pathak, S. Venugopal Rao, Femtosecond Laser induced Nanoparticle Embedded Periodic Surface Structures on Crystalline Silicon for Reproducible and Multiple Utility Surface Enhanced Raman Scattering Application , ACS Omega, 3(12), 18420-18432, 2019. pdf

  214. M. Saravanan, T.C. Sabari Girisun, S. Venugopal Rao, Enhanced broadband optical limiting and switching of nonlinear absorption in functionalized solar exfoliated reduced graphene oxide - Ag-Fe2O3 nanocomposites, J. Appl. Phys., 124 193101, 2018. doi: 10.1063/1.5050478 pdf

  215. T.C. Sabari Girisun, M. Saravanan, S. Venugopal Rao, Wavelength dependent ultrafast nonlinear optical absorption and broadband optical limiting action of Au-Fe2O3-rGO nanocomposites, ACS Applied Nano Materials, 1, 6337-6348, 2018. DOI: 10.1021/acsanm.8b01544 pdf

  216. A. Gaur, S. Hamad, Y. Balaji, S. Venugopal Rao, Experimental Evidence of Two-Photon Absorption and Three-Photon Absorption in Methylene Green: A Femtosecond Z-scan Study, J. Opt. Soc. Amer. B, 35(11), 2906-2914, 2018.https://doi.org/10.1364/JOSAB.35.002906 pdf

  217. B. Chandu, M.S.S. Bharathi, S. Venugopal Rao, "Ag Nanoparticles Coupled with Ag Nanostructures as Efficient SERS Platform for Detection of 2, 4-Dinitrotoluene IEEE WRAP-2017 Proc., 1-3, 2018. DOI: 10.1109/WRAP.2017.8468553; https://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=8454956 pdf

  218. G. Jagannath, B. Eraiah, G. Vinitha, J.T. James, J.K. Jose, K. Naga Krishnakanth, S. Venugopal Rao, Nanosecond and Femtosecond Nonlinear Optical Properties of Borate Glasses Doped with Gold Nanoparticles, Applied Physics B, 124, 205, 2018. https://doi.org/10.1007/s00340-018-7074-y pdf

  219. N. Priyadarshani, T.C. Sabari Girisun, S. Venugopal Rao, Nonlinear Absorption and Refraction Studies of Truncated CuNb3O8 with High-repetition Rate Femtosecond Pulses, Mater. Chem. Phys., 220, 342-350, 2018. https://doi.org/10.1016/j.matchemphys.2018.09.013 pdf

  220. M.S.S. Bharathi, B. Chandu, N.S. Sini, Ch. Bindumadhuri, S. Venugopal Rao , Ag/Au Nanoparticle Loaded Paper-based Versatile SERS Substrates for Explosives Detection, ACS Omega, 3, 8190-8201, 2018. DOI: 10.1021/acsomega.8b01318 pdf

  221. P. Karuppasamy, T. Kamalesh, V. Mohankumar, S. Abdul Kalam, Muthu Senthil Pandian, P. Ramasamy, Sunil Verma, S. Venugopal Rao , Synthesis, Growth, Structural, Optical, Thermal, Laser Damage Threshold and Computational Perspectives of 4-Nitrophenol 4-Aminobenzoic Acid Monohydrate (4NPABA) Single Crystal, Optical Materials, 84, 475-489, 2018. https://doi.org/10.1016/j.optmat.2018.07.039 pdf

  222. M.S.S. Bharathi, S. Bhattacharya, L. Giribabu, S. Venugopal Rao, Femtosecond, Broadband NLO studies of a Zinc porphyrin and a Zinc phthalocyanine, Optics and Laser Technology, 108, 418-425, 2018. https://doi.org/10.1016/j.optlastec.2018.07.008 pdf

  223. S. Abdul Kalam, Ajmathulla, S. Venugopal Rao, Discrimination of Bimetallic Targets Using Filament Induced Breakdown Spectroscopy in Standoff Mode, Optics Letters, 43(15), 3465-3468, 2018. https://doi.org/10.1364/OL.43.003465 pdf

  224. Sangeeta B. Kolavekar, N.H. Ayachit, G. Jagannath, K. Naga Krishnakanth, S. Venugopal Rao, Gold Nanoparticles Doped Sodium Zinc Borate Glasses: Structural, Optical, and Femtosecond Nonlinear Optical Studies in the Near-IR, Optical Materials, 83, 34-42, 2018. https://doi.org/10.1016/j.optmat.2018.05.083 pdf

  225. B. Chandu, M.S.S. Bharathi, S. Venugopal Rao, Picosecond Laser Fabricated Ag, Au and Ag-Au Nanoparticles for Detecting Ammonium Perchlorate Using a Portable Raman Spectrometer, AIP Conference Proceedings 1942, 050028 (2018); doi: 10.1063/1.5028659 pdf

  226. K.N. Krishnakanth, M.S.S. Bharathi, S. Hamad, S. Venugopal Rao, Femtosecond Nonlinear Optical Properties of Laser Ablated Gold Nanoparticles in Water, AIP Conference Proceedings 1942, 050122 (2018); doi: 10.1063/1.5028753 pdf

  227. S.R. Maidur, P.S. Patil, S. Venugopal Rao, Third-Order Nonlinear Optical Properties of 1,3-Bis(3,4-Dimethoxyphenyl)prop-2-en-1-one Under Femtosecond Laser Pulses, AIP Conference Proceedings 1942, 100013 (2018); doi: 10.1063/1.5028978 pdf

  228. Mohd. Shkir, P.S. Patil, S.R. Maidur, V. Ganesh, K. Naga Krishnakanth and S. Venugopal Rao, Noncentrosymmetric crystal with marked second and third order nonlinear optical properties for electro-optic device applications, Journal of Applied Crystallography, 51, 1035-1042, 2018. https://doi.org/10.1107/S1600576718006386 pdf

  229. S. Abdul Kalam, E. Nageswara Rao, S. Hamad, B. Chandu, S. Venugopal Rao, Femtosecond LIBS based standoff detection of explosives and their discrimination using Principal Component Analysis, Optics Express, 26(7), 8069-8083, 2018. https://doi.org/10.1364/OE.26.008069 pdf

  230. M.S.S. Bharathi, B. Chandu, S. Venugopal Rao, Femtosecond Laser Fabricated Ag@Au and Cu@Au Alloy Nanoparticles for SERS based Explosives Detection, Frontiers in Physics (Optics and Photonics), 6, Art # 28, 2018. doi: 10.3389/fphy.2018.00028 pdf

  231. K. Naga Krishnakanth, Sudipta Seth, Anunay Samanta, S. Venugopal Rao , Broadband femtosecond nonlinear optical properties of CsPbBr3 perovskite films, Optics Letters, 43(3), 603-606, 2018.https://doi.org/10.1364/OL.43.000603 pdf

  232. G. Jagannath, K. Naga Krishnakanth, S. Venugopal Rao, B. Eraiah, Linear and ultrafast nonlinear optical properties of borate glasses containing gold nanoparticles, J. Non-Cryst. Solids, 482, 160-169, 2018.https://doi.org/10.1016/j.jnoncrysol.2017.12.036 pdf

  233. R. Rawat, A. Tiwari, V.S. Vendamani, A.P. Pathak, S. Venugopal Rao , A. Tripathi, Synthesis of Si/SiO2 Nanoparticles using Nanosecond Laser Ablation of Andradite Garnet in Water, Optical Materials, 75, 350-356, 2018.https://doi.org/10.1016/j.optmat.2017.10.045 pdf

  234. V.S. Vendamani, S.V.S. Nageswara Rao, S. Venugopal Rao, A.P. Pathak, Three-Dimensional Hybrid Silicon Nanostructures for SERS based Molecular Detection, J. Appl. Phys., 123, 014301, 2018. http://aip.scitation.org/toc/jap/123/1 pdf
  235. Selected as Feature article by the Editor, JAP
    Press Release: https://publishing.aip.org/publishing/journal-highlights/silver-nanoparticles-take-spectroscopy-new-dimension Press Release: https://publishing.aip.org/publishing/journal-highlights/silver-nanoparticles-take-spectroscopy-new-dimension

    2017


  236. Ravi Kiran Saripalli, Katturi Naga Krishnakant, S. Veuugopal Rao, H.L. Bhat and Suja Elizabeth, Non-critically Phase-matched Second Harmonic Generation and Third Order Nonlinearity in Organic Crystal Glucuronic Acid ?-Lactone, J. Appl. Phys., 122 , 223110, 2017. https://doi.org/10.1063/1.5008322 pdf

  237. S. Amreetha, S. Dhanushkodi, S. Venugopal Rao, G. Vinitha, Tunable, broadband nonlinear optical properties of C-N-S doped TiO2 nanoparticles with nanosecond and femtosecond excitation, J. Phys. Chem. C., 121, 24192-24205, 2017. DOI: 10.1021/acs.jpcc.7b08778 pdf

  238. Chandu Byram and Venugopal Rao Soma, 2, 4-Dinitrotoluene Detected Using Portable Raman Spectrometer and Femtosecond Laser Fabricated Au-Ag Nanoparticles and Nanostructures, NanoStructures and NanoObjects, 12, 121-129, 2017. pdf

  239. M. Saravanan, T.C. Sabari Girisun, S. Venugopal Rao, Superparamagnetic and unusual nonlinear absorption transitions with in-situ decorated CdFe2O4-rGO nanocomposite, J. Mater. Chem. C, 5, 9929-9942, 2017. DOI: 10.1039/C7TC02929B pdf

  240. Radhakant Singh, Prince, M. Zulfequar, S Venugopal Rao, Prabhat K. Dwivedi, Ultrafast Nonlinear Optical Properties of Solution Phase Driven As2S3 Chalocgenide Films, J. Nonlin. Opt. Phys. Mater., 26(3), 1750038, 2017. https://doi.org/10.1142/S0218863517500382 pdf

  241. B. Chandu, M.S.S. Bharathi, S. Abdul Kalam, S. Venugopal Rao, Versatile gold based SERS substrates fabricated by ultrafast laser ablation for sensing picric acid and ammonium nitrate, Chemical Physics Letters, 685, 103-107, 2017. http://dx.doi.org/10.1016/j.cplett.2017.07.043 pdf

  242. S.R. Maidur, P.S. Patil, S. Venugopal Rao, Md. Shkir, S.M. Dharmaprakash, Experimental and computational studies on second and third-order nonlinear optical properties of a novel D-p-A type chalcone derivative: 3-(4-methoxyphenyl)-1-(4nitrophenyl) prop-2-en-1-one, Optics and Laser Technology, 97, 219-228, 2017. http://dx.doi.org/10.1016/j.optlastec.2017.07.003 pdf

  243. S. Abdul Kalam, N. Linga Murthy, P. Mathi, K. Nagarjuna, Ajay K. Singh, S. Venugopal Rao , Correlation of energetic parameters with molecular and atomic emissions in femtosecond and nanosecond LIBS studies of novel energetic molecules, J. Anal. Atom. Spectrom. 32, 1535-1546, 2017. DOI: 10.1039/C7JA00136C. pdf

  244. P.S. Patil, Md. Shkir, S.R. Maidur, S. AlFaify, M. Arora, S. Venugopal Rao, H. Abbas, V. Ganesh, Key functions analysis of a novel nonlinear optical D-p-A bridge type (2E)-3-(4-Methylphenyl)-1-(3-nitrophenyl) prop-2-en-1-one chalcone: An experimental and theoretical approach, Optical Materials, 72, 427-435, 2017. http://dx.doi.org/10.1016/j.optmat.2017.06.038 pdf

  245. Anil Tumuluri, M.S.S. Bharathi, S. Venugopal Rao, K.C. James Raju, Structural, optical and femtosecond third-order nonlinear optical properties of LiNbO3 thin films, Materials Research Bulletin, 94, 342-351, 2017. http://dx.doi.org/10.1016/j.materresbull.2017.06.029 pdf

  246. N. Priyadarshani, T.C. Sabari Girisun, S. Venugopal Rao , Ultrafast Nonlinear Optical Studies of Equiaxed CuNbO3 Microstructures, Chemical Physics Letters, 681, 95-100, 2017. http://dx.doi.org/10.1016/j.cplett.2017.05.054 pdf

  247. M. C. Divyasree, E. Shiju, Jaismon Francis, P.T. Anusha, S. Venugopal Rao , K. Chandrasekharan, ZnSe/PVP Nanocomposites: Synthesis, Structural and Nonlinear Optical Analysis, Materials Chemistry and Physics, 197, 208-214, 2017. doi: 10.1016/j.matchemphys.2017.04.069 pdf

  248. V.S. Vendamani, S.V.S. Nageswara Rao, S. Hamad, S. Venugopal Rao, and A.P. Pathak, Ion Induced Effects on the Dissociation of Silicon Nanoparticles , AIP Conference Proceedings, 1832, 050020 (2017). doi: 10.1063/1.4980253. pdf

  249. P. Yadav, T. Anand, M.S.S. Bharathi, S. Bhattacharya, M. Sankar, S. Venugopal Rao, Synthesis and Femtosecond Third Order Nonlinear Optical Properties of Push-Pull Trans A2B-Corroles, Dyes and Pigments, 143, 334-340, 2017. DOI:http://dx.doi.org/10.1016/j.dyepig.2017.04.041 pdf

  250. G. Ravi Kiran, B. Chandu, Swati Ghosh Acharyya, S. Venugopal Rao, V.V.S.S Srikanth, A simple technique for large area graphene synthesis by femtosecond laser ablation, Philosphical Magazine Letters, 97(6), 229-234, 2017. DOI: 10.1080/09500839.2017.1320437 pdf

  251. C. Jeganathan, T. C. Sabari Girisun, S. Venugopal Rao, and K. Thamaraiselvi, Tunability of Ultrafast Optical Nonlinearity in Bacteriorhodopsin Through Simple Chemical Treatment, J. Mater. Sci., 52, 6866-6878, 2017. DOI: 10.1007/s10853-017-0924-x pdf

  252. N. Priyadarshani, T.C. Sabari Girisun, S. Venugopal Rao, Influence of Sintering Time on Switching the Femtosecond Nonlinear Optical Properties of CuNb2O6, Optical Materials, 66, 534-541, 2017. pdf

  253. A. Hakonen, F.C. Wang, P.O. Andersson, H. Wingfors, T. Rindzevicius, M.S. Schmidt, S. Venugopal Rao, S. Xu, Y.Q. Li, A. Boisen, H.A. Wu, Handheld femtogram detection of hazardous Picric acid with hydrophobic Ag nanopillar SERS substrates and mechanism of elasto-capillarity, ACS Sensors, 2(2), 198-202, 2017. DOI: 10.1021/acssensors.6b00749 pdf

  254. V.S. Vendamani, Ajay Tripathi, Anand P. Pathak, S Venugopal Rao, Archana Tiwari, Laser ablation of natural Micas and synthesis of Mg(OH)2 and MgO nanoparticles and nanochains, Materials Letters, 192, 29-32, 2017. pdf

  255. C. Babeela, S. Venugopal Rao, R. Madhura Somayaji, T. Sabari Girisun, Third Order Optical Nonlinearity and Optical Limiting Studies of (? and ) - Barium Borate Nanostructures using Femtosecond Laser Pulses, Materials Research Bulletin, 87, 102-108, 2017. pdf

  256. 2016


  257. S. Venugopal Rao, G. Krishna Podagatlapalli, S. Hamad, and B. Chandu, Nanostructured plasmonic metal targets for Raman-based explosives detection, SPIE News Room article (INVITED), 2016. DOI: 10.1117/2.1201608.006697 . http://spie.org/newsroom/6697-nanostructured-plasmonic-metal-targets-for-raman-based-explosives-detection?highlight=x2412&ArticleID=x120593 pdf

  258. M. Saravanan, T. C. Sabari Girisun, G. Vinitha, S. Venugopal Rao, Improved third-order optical nonlinearity and optical limiting behaviour of (nanospindle and nanosphere) zinc ferrite decorated reduced graphene oxide under continuous and ultrafast laser excitations, RSC Advances, 6, 91083-91092, 2016. pdf

  259. N. Priyadarshani, S. Venugopal Rao , T. Sabari Girisun, Investigation of the Femtosecond Optical Limiting Properties of Monoclinic Copper Niobate, Appl. Phys. B, 122 , 256, 2016. pdf

  260. Anil Tumuluri, Mounika Rapolu, S. Venugopal Rao , and K. C. James Raju, Third order nonlinearity in pulsed laser deposited LiNbO3 thin films, AIP Conf. Proc., 1728, 020365 (2016). http://dx.doi.org/10.1063/1.4946416 pdf

  261. A. Rambabu, E. Sivanagi Reddy, Syed Hamad, K. C. James Raju, and S. Venugopal Rao, Linear and nonlinear optical properties of SrBi4Ti4O15 thin films, AIP Conf. Proc. 1728, 020339 (2016). http://dx.doi.org/10.1063/1.4946390 pdf

  262. N. Vamsi Krishna, P.T. Anusha, S. Venugopal Rao, L. Giribabu, Optical, electrochemical and third-order nonlinear optical studies of triphenylamine substituted zinc phthalocyanine, J. Porphy. Phth., 20(08n11), 1173-1181, 2016. pdf

  263. Monima Sarma, Tanmay Chatterjee, Syed Hamad, Dinesh Khara, S. Venugopal Rao and Samar K. Das, Cyclometalated Iridium(III) Complexes Containing 4,4' p Conjugated 2,2' bipyridine Derivatives as the Ancillary Ligands: Synthesis, Photophysics and Computational Studies, Inorganic Chemistry, 55, 3530-3540, 2016. DOI: 10.1021/acs.inorgchem.5b02999 pdf

  264. K.V. Anil Kumar, S. Venugopal Rao, S. Hamad, S.M. Dharmaprakash, Wavelength dependent nonlinear optical switching in electron beam irradiated CuTTBPc thin film, RSC Advances, 6, 22083, 2016. pdf

  265. U. Pasha Shaik, Syed Hamad, Md. Ahamad Mohiddon, S. Venugopal Rao , M. Ghanashyam Krishna, Ag Decorated ZnO Nanostructures as Surface Enhanced Raman Scattering Substrates for Trace Level Detection of Explosives, J. Appl. Phys., 119, 093103, 2016. pdf

  266. A. Silambarasan, E. Nageswara Rao, S. Venugopal Rao, P. Rajesh, P. Ramasamy, Bulk growth, crystalline perfection and optical characteristics of inversely soluble lithium sulphate monohydrate single crystals grown by conventional solvent evaporation and modified Sankaranarayanan Ramasamy method, Cryst. Engg. Commun., 18, 2072-2080, 2016. DOI: 10.1039/c6ce00012f pdf

  267. N. Sudharsana, S. Hamad, S. Venugopal Rao, V. Krishnakumar, R. Nagalakshmi, A systematic study of Hydroxyethylammonium p-nitrophenolate single crystal exhibiting third order nonlinearity, J. Cryst. Growth, 452, 179-83, 2016. http://dx.doi.org/10.1016/j.jcrysgro.2016.01.025 pdf

  268. P. S. Patil, Shivaraj R. Maidur, S. Venugopal Rao, S. M. Dharmaprakash, Crystalline perfection, third-order nonlinear optical properties and optical limiting studies of 3, 4-Dimethoxy -4'-methoxychalcone single crystal, Opt. Laser Tech., 81, 70-76, 2016. pdf

  269. E. Nageswara Rao, P. Mathi, S. Sreedhar, S. Abdul Kalam, Ajay K. Singh, B.N. Jagatap, S. Venugopal Rao, Femtosecond and Nanosecond LIBS Studies of Nitroimidazoles: Correlation between Molecular Structure and LIBS data, J. Anal. Atom. Spectros., 31, 737-750, 2016 DOI: 10.1039/C5JA00445D pdf

  270. N. Misra, R. Mounika, S. Venugopal Rao, V. Kumar, L. Varshney, Nonlinear Optical Studies of Inorganic Nanoparticles Polymer Nanocomposite Coatings Fabricated by Electron Beam Curing, Opt. Laser Tech., 79, 24-31, 2016. pdf

  271. 2015


  272. S.S.K. Raavi, J. Yin, G. Grancini, L. Giribabu, C. Soci, S. Venugopal Rao, G. Lanzani, L. Giribabu Femtosecond to Microsecond Dynamics of Soret-Band Excited Novel Corroles, J. Phys. Chem. C, 119, 28691-28700, 2015. pdf

  273. S. Hamad, G. Krishna Podagatlapalli, R. Mounika, S.V.S. Nageswara Rao, A.P. Pathak, and S. Venugopal Rao , Linear, Nonlinear Optical and Excited State Dynamics of Silicon Colloids Prepared by Picosecond Laser Ablation, , AIP Advances, 5(12) , 127127, 2015. pdf

  274. S. Hamad, G. Krishna Podagatlapalli, Md. Ahamad Mohiddon, and S. Venugopal Rao, SERS Studies of Explosive Molecules with Copper Nanostructures Fabricated using Ultrafast Laser Ablation, Advanced Materials Letters, 6(12), 1073-1080, 2015. pdf

  275. P.T. Anusha, A. R. Thomas, R. Philip, S. Venugopal Rao, Nonlinear Absorption and Excited State Dynamics of Porphyrin and Phthalocyanine in the Presence of Explosive Molecules, Chemical Physics Letters, 641, 23-28, 2015. pdf

  276. K.V. Anil Kumar, S. Raghavendra, S. Venugopal Rao, S. Hamad, and S.M. Dharmaprakash, Structural, Linear, and Nonlinear Optical Study of Thermally Evaporated Zinc Phthalocyanine Thin Film, Optik, 126, 5918-5924, 2015. pdf

  277. G. Krishna Podagatlapalli, S. Hamad, and S. Venugopal Rao, Trace-level detection of secondary explosives using hybrid silver-gold nanostructures and nanoparticles achieved with femtosecond laser ablation, J. Phys. Chem. C, 119, 16972-16983, 2015. pdf

  278. E. Nageswara Rao, S. Sreedhar, and S. Venugopal Rao , Femtosecond laser induced breakdown spectroscopic studies of Nitropyrazoles: effect of varying nitro groups, Applied Spectroscopy, 69(11), 1342-1354, 2015. pdf

  279. S. Ramakanth, S. Hamad, S Venugopal Rao , K.C. James Raju, NLO and magnetic properties of BaTiO3 nanoparticles and exploring charge carriers role in emergence of this new phase, AIP Advances, 5, 057139, 2015. pdf

  280. P. S. Patil, P. Ajay Kumar, S. Venugopal Rao, G. Bhagavannarayana, Growth and characterization of a new organic nonlinear optical crystal: 1-(3-Nitrophenyl)-5-phenylpenta-2, 4-dien-1-one, Opt. Las. Tech., 71, 108-113, 2015. pdf

  281. N.V. Krishna, V.K. Singh, D. Swain, S. Venugopal Rao , L. Giribabu, Optical, electrochemical, third order nonlinear optical, and excited state dynamics studies of bis(3,5-trifluoromethyl)phenyl-zinc phthalocyanine, RSC Advances, 5, 20810, 2015. pdf

  282. G. Krishna Podagatlapalli, S. Hamad, Md. Ahamad Mohiddon, and S. Venugopal Rao , Fabrication of Nanoparticles and Nanostructures using Ultrafast Laser Ablation of Silver with Bessel Beams, Laser Physics Letters, 12, 036003, 2015. pdf

  283. N. Sudharsana, S. Hamad, S. Venugopal Rao, V. Krishnakumar, R. Nagalakshmi,"Hydroxyethylammonium maleate (HEAM) single crystal for optical limiting applications," Applied Physics A, 118(2), 171-176, 2015. pdf

  284. S. Hamad, G. Krishna Podagatlapalli, and S. Venugopal Rao, Surface enhanced florescence from corroles and surface enhanced Raman scattering studies of explosives using copper nanostructures, Chem. Phys. Lett., 621, 553-561, 2015. pdf

  285. V.S. Vendamani, S. Hamad, S.V.S. Nageswara Rao, S. Venugopal Rao, and A.P. Pathak, Generation of Silicon Nanoparticles by Femtosecond Laser Ablation of Porous Silicon in Liquids and Radiation Effects, J. Mater. Sci., 50, 1666-1672, 2015. pdf

  286. 2014


  287. S. Umar Pasha, P. Ajay Kumar, M. Ghanashyam Krishna, S. Venugopal Rao , Microstructural manipulation of nonlinear optical response of ZnO films grown by thermal evaporation technique, Materails Research Express, 1, 046201, 2014.. pdf

  288. B. Anand, A. Kaniyoor, D. Swain, T.T. Baby, S. Venugopal Rao, S.S. Sankara Sai, S. Ramaprabhu, R. Philip, Enhanced Optical Limiting and Carrier Dynamics in Metal Oxide-Hydrogen Exfoliated Graphene Hybrids, J. Mater. Chem. C, 2, 10116-10123, 2014. pdf

  289. T. Sarma, P.T. Anusha, Ashok Pabbathi, S. Venugopal Rao, P.K. Panda, Naphthobipyrrole-derived Sapphyrins: Rational Synthesis, Characterization, Nonlinear Optical and Excited State Dynamics Study, Chem. A Eur. J., 20(47), 15561-15570, 2014. pdf

  290. V. Rakesh Kumar, Ch. Leela, Ram Gopal, S. Venugopal Rao , P. Prem Kiran, Filamentation of Tightly Focused Ultra-short Laser Pulses: Femtosecond versus Picosecond, Technology Letters, 1(8), 12-16, 2014. (ISSN 2348-8131)

  291. D. Swain, A. Rana, Pradeepta K. Panda, S. Venugopal Rao, Strong two-photon absorption properties and pump-probe studies of novel porphyrin derivatives, Chem. Phys. Lett., 610-611, 310-315, 2014. pdf

  292. S. Hamad, G. Krishna Podagatlapalli, Md. A. Mohiddon, S. Venugopal Rao, Cost-effective nanostructured copper substrates using ultrafast laser pulses for explosives detection using surface enhanced Raman spectroscopy, Appl. Phys. Lett. 104, 263104, 2014. pdf

  293. S. Sreedhar, G. Manoj Kumar, S. Venugopal Rao, Laser Induced Breakdown Spectroscopy for Classification of High Energy Materials Using Elemental Intensity Ratios, Defence Science Journal 64(4), 332-338, 2014. pdf

  294. V. Saikiran, V.S. Vendamani, S. Hamad, S.V.S. Nageswara Rao, S. Venugopal Rao, and A.P. Pathak, Swift heavy ion irradiation induced modification of Si nanoparticles prepared by laser ablation, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 333 , 99-105, 2014. pdf

  295. S. Hamad, G. Krishna Podagatlapalli, V.S. Vendamani, S.V.S. Nageswara Rao, A.P. Pathak, and S. Venugopal Rao , Femtosecond double/multiple line ablation of Silicon in acetone: Tunable photoluminescence from generated nanoparticles and fabrication of surface nanostructures, J. Phys. Chem. C. 118, 7139-7151, 2014. pdf

  296. G. Krishna Podagatlapalli, S. Hamad, and S. Venugopal Rao , Effect of oblique laser incidence on the fabrication of silver nanomaterials in water using picosecond ablation technique, Appl. Surface Sci. 303, 217-232, 2014. pdf

  297. S. Venugopal Rao, Ultrashort pulses interaction with molecules and solids: Physics and applications Pramana-J. Phys. 83(2), 241-253, 2014. pdf

  298. S. Hamad, G. Krishna Podagatlapalli, Surya P. Tewari, and S. Venugopal Rao , Synthesis of Cu2O, CuCl, and Cu2OCl2 nanoparticles by ultrafast laser ablation of copper in liquid media, Pramana - J. Phys. 82(2), 331-337, 2014. pdf

  299. D. Swain, V.K. Singh, N.V. Krishna, L. Giribabu, S. Venugopal Rao , Optical, electrochemical, third-order nonlinear optical, excited state dynamics studies of Thio-Zinc Phthalocyanine, J. Porphy. Phth. 18(4), 305-315, 2014.. pdf

  300. D. Swain, R. Singh, V.K. Singh, N.V. Krishna, L. Giribabu, S. Venugopal Rao , Sterically Demanded Zinc(II)Phthalocyanines: Synthesis, Optical, Electrochemical, Nonlinear Optical, Excite State Dynamics Studies, J. Mater. Chem. C 2, 1711-1722, 2014. pdf

  301. S. Venugopal Rao, G. Krishna Podagatlapalli, S. Hamad, Ultrafast Laser Ablation in Liquids for Nanomaterials and Applications, J. Nanosci. Nanotech. 14(1), 1364-1388, 2014. pdf

  302. S. Venugopal Rao , Ultrashort laser pulse-matter interaction: Implications for high energy materials Pramana -J. Phys. 81(2), 97-109, 2014. pdf


  303. 2013


  304. Syed Hamad, G Krishna Podagatlapalli, Surya P. Tewari, and S. Venugopal Rao, Influence of picosecond multiple/single line ablation on Copper nanoparticles and nanostructures fabricated for surface enhanced Raman spectroscopy and photonics applications, J. Phys. D: Appl. Phys. 46 , 485501, 2013. pdf

  305. S. Sreeja, Ch. Leela, V. Rakesh Kumar, Suman Bagchi, T. Shuvan Prashant, P. Radhakrishnan, Surya P. Tewari, S. Venugopal Rao , and P. Prem Kiran, Dynamics of tightly focused femtosecond laser pulses in water, Laser Physics 23, 106002, 2013. pdf
  306. Article appeared in the section Highlights of 2013 at IOP. http://iopscience.iop.org/1555-6611/page/Highlights-of-2013

  307. S. Sreedhar, E. Nageswara Rao, G. Manoj Kumar, Surya P. Tewari, S. Venugopal Rao, Investigation of molecular and elemental species dynamics in NTO, TNT, and ANTA using femtosecond LIBS, in Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIV, edited by Augustus Way Fountain Proc. SPIE Vol. 8710 (SPIE, Bellingham, WA), 871012, 2013. pdf

  308. S. Sreedhar, E. Nageswara Rao, G. Manoj Kumar, Surya P. Tewari, S. Venugopal Rao, Discrimination methodologies using femtosecond LIBS and correlation techniques, Next-Generation Spectroscopic Technologies VI, edited by Mark A. Druy, Richard A. Crocombe, Proc. of SPIE Vol. 8726 (SPIE, Bellingham, WA), 87260H, 2013. pdf

  309. E. Nageswara Rao, S. Sreedhar, G. Manoj Kumar, Surya P. Tewari, S. Venugopal Rao, Femtosecond LIBS studies of Nitropyrazoles, in Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIV, edited by Augustus Way Fountain Proc. SPIE Vol. 8710 (SPIE, Bellingham, WA), 87101O, 2013. pdf

  310. D. Swain, P.T. Anusha, T. Sarma, Pradeepta K. Panda, S. Venugopal Rao, Dispersion studies of optical nonlinearity and excited state dynamics in Cyclo[4]naphthobipyrroles, Chem. Phys. Lett. 580, 73-77, 2013. pdf

  311. S. Sreedhar, E.Nageswara Rao, G. Manoj Kumar, Surya P. Tewari, and S. Venugopal Rao, Molecular formation dynamics of NTO, RDX, TNT in air, nitrogen, and argon atmospheres using femtosecond LIBS, Spectrochim. Acta B 87, 121-129, 2013. pdf

  312. E. Nageswara Rao, P. Ravi, Surya P. Tewari, S. Venugopal Rao , Experimental and Theoretical Studies on the Structure and Vibrational Properties of Nitropyrazoles, J. Mol. Struct. 1043, 121-131, 2013. pdf

  313. B.S. Singh, H.R. Lobo, G. Krishna Podagatlapalli, S. Venugopal Rao, G.S. Shankarling, Thiazole Based Novel Functional Colorants: Synthesis and Nonlinear Optical Studies, Opt. Mater. 34, 962-967, 2013. pdf

  314. G Krishna Podagatlapalli, Syed Hamad, Surya P. Tewari, S. Sreedhar, Muvva D. Prasad, and S. Venugopal Rao, Silver nano-entities through ultrafast double ablation in aqueous media for SERS and photonics applications, J. Appl. Phys. 113 , 073106, 2013. pdf
  315. (Selected among the most popular/HOT articles in December 2013)

  316. S. Sreedhar, G. Manoj Kumar, M. Ashwin Kumar, P. Prem Kiran, Surya P. Tewari, and S. Venugopal Rao, Laser induced breakdown spectroscopic studies of NTO, HMX, and RDX studied using nanosecond and femtosecond pulses, Spectrochim. Acta B 79-80, 31-38, 2013. (3 citations) pdf


  317. 2012


  318. K.L.N. Deepak, S. Venugopal Rao, D. Narayana Rao, Spectroscopic investigation of fs laser-induced defects in polymer and crystal media, Laser-Induced Damage in Optical Materials: 2012, edited by Gregory J. Exarhos, Vitaly E. Gruzdev, Joseph A. Menapace, Detlev Ristau, M J Soileau, Proc. SPIE, 8530, 853004, 2012. pdf

  319. D. Swain, P.T. Anusha, Syed Hamad, L. Giribabu, Surya P Tewari, S. Venugopal Rao, Femtosecond pump-probe spectroscopy of novel Corroles, AIP Conf. Proc. (FUNCTIONAL MATERIALS: Proceedings of the International Workshop on Functional Materials), 1461, 363-366, 2012. pdf

  320. P.T. Anusha, Debasis Swain, T. Shuvan Prashant, L. Giribabu, Surya P. Tewari, S. Venugopal Rao, Ultrafast excited state dynamics and third order optical nonlinearities of novel Corroles, J. Phys. Chem. C. 116, 17828-17837, 2012. (20 citations) pdf

  321. E.D. D Silva, G. Krishna Podagatlapalli, S. Venugopal Rao, S.M. Dharma Prakash, Study on third-order nonlinear optical properties of 4-methylsulfanyl chalcone derivatives using picosecond pulses, Mater. Res. Bull. 47, 3552-3557, 2012. pdf

  322. K.L.N. Deepak, S. Venugopal Rao, D. Narayana Rao, Femtosecond laser direct writing in polymers and potential applications in microfluidics and memory devices, Optical Engineering 51(7), 073402, 2012.(1 citation) pdf

  323. S. Sreeja, B. Nityaja, Debasis Swain, V.P.N. Nampoori, P. Radhakrishnan, S. Venugopal Rao, Nonlinear optical studies of DNA doped Rhodamine 6G PVA films using picosecond pulses, Optics and Photonics Journal 2, 135-139, 2012. pdf

  324. S. Sreedhar, M. Ashwin Kumar, G. Manoj Kumar, P. Prem Kiran, Surya P. Tewari, and S. Venugopal Rao, " Stoichiometric analysis of inorganic compounds using laser induced breakdown spectroscopy with gated and non-gated spectrometers," ISRN Optics Article ID 631504, 2012. DOI:10.5402/2012/631504. (2 citations) pdf

  325. S. Venugopal Rao, Phthalocyanines, Porphycenes, and Corroles: Nonlinear optical properties and ultrafast dynamics, in Nonlinear Optics and Applications VI, edited by Benjamin J. Eggleton, Alexander L. Gaeta, Neil G. Broderick, Proc. SPIE Vol. 8434 (SPIE, Bellingham, WA), 84341B, 2012 pdf

  326. P.T. Anusha, D. Swain, T. Sarma, Pradeepta K. Panda, S. Venugopal Rao, Ultrafast nonlinear optical studies of Cyclo[4]naphthobipyrroles, in Nonlinear Optics and Applications VI, edited by Benjamin J. Eggleton, Alexander L. Gaeta, Neil G. Broderick, Proc. SPIE Vol. 8434(SPIE, Bellingham, WA), 84341D 2012 pdf

  327. S. Sreeja, T. Shuvan Prashant, P. Radhakrishnan, Surya P. Tewari, S. Venugopal Rao, P. Prem Kiran, Effect of focusing lens tilt on SCE and filamentation characteristics of fs pulses in air, in Nonlinear Optics and Applications VI, edited by Benjamin J. Eggleton, Alexander L. Gaeta, Neil G. Broderick, Proc. SPIE Vol. 8434 (SPIE, Bellingham, WA) 84340T, 2012. pdf

  328. S. Sreeja, V. Rakesh Kumar, Ch. Leela, P. Radhakrishnan, Surya P. Tewari, S. Venugopal Rao, P. Prem Kiran, Filamentation characteristics of focused fs pulses in atmosphere, in Nonlinear Optics and Applications VI, edited by Benjamin J. Eggleton, Alexander L. Gaeta, Neil G. Broderick, Proc. SPIE Vol. 8434 (SPIE, Bellingham, WA), 84340U, 2012 pdf

  329. Debasis Swain, P.T. Anusha, T. Shuvan Prashant, Surya P. Tewari, Tridib Sarma, Pradeepta K. Panda, S. Venugopal Rao, Ultrafast excited state dynamics and dispersion studies of nonlinear optical properties in Dinaphthoporphycenes, Appl. Phys. Lett. 100, 141109, 2012. (6 citations) pdf

  330. S. Sreeja, S. Venugopal Rao, P. Radhakrishnan, Surya P. Tewari, P. Prem Kiran, Supercontinuum emission from water using fs pulses in the external tight focusing limit, Proc. SPIE 8247, 824718, 2012. pdf

  331. Syed Hamad, G. Krishna Podagatlapalli, Surya P. Tewari, S. Venugopal Rao, Femtosecond ablation of Aluminum for synthesis of nanoparticles and nanostructures and their optical characterization, Proc. SPIE 8245,82450L, 2012 pdf

  332. Debasis Swain, A. Rana, Pradeepta K. Panda, S. Venugopal Rao, Ultrafast nonlinear optical studies of 3,8,13,18-Tetrachloro-2,7,12,17-tetramethoxyporphyrin, Proc. SPIE 8258, 82581B, 2012 pdf

  333. Syed Hamad, G. Krishna Podagatlapalli, L. Giribabu, Surya P. Tewari, S. Venugopal Rao, Femtosecond and picosecond nonlinear optical studies of Corroles, Proc. SPIE 8258,82581C, 2012 pdf

  334. G. Krishna Podagatlapalli, Syed Hamad, S. Sreedhar, Surya P. Tewari, S. Venugopal Rao, Fabrication and characterization of aluminum nanostructures and nanoparticles obtained using femtosecond ablation technique, Chem. Phys. Lett. 530, 93-97, 2012. (3 citations) pdf

  335. E.D. D Silva, G. Krishna Podagatlapalli, S. Venugopal Rao, S.M. Dharma Prakash, Structural, optical and electrical characteristics of a new NLO crystal, Opt. Las. Tech. 44, 1689-1698, 2012 (1 citation) (1 citation) TOP downloaded article from this journal (Science Direct) for the year 2012. pdf

  336. Syed Hamad, Surya P. Tewari, L. Giribabu, S. Venugopal Rao, Picosecond and Femtosecond Optical Nonlinearities of Novel Corroles, J. Porphy. Phth. 16 , 140-148, 2012.(8 citations) pdf

  337. K.L.N. Deepak, R. Kuladeep, S. Venugopal Rao, D. Narayana Rao, Studies on Defect Formation in Femtosecond Laser Irradiated PMMA and PDMS , Radiation Effects and Defects in Solids 1672, 88-101, 2012. (2 citations) pdf

  338. 2011


  339. E.D. D Silva, G. Krishna Podagatlapalli, S. Venugopal Rao, D. Narayana Rao S.M. Dharma Prakash, "New, high efficient non-linear optical chalcone co-crystal and structure property relationship," Crystal Growth and Design 11, 5362-5369, 2011 (2 citation) pdf

  340. K.L.N. Deepak, S. Venugopal Rao, D. Narayana Rao, Femtosecond laser micro fabrication in polymers towards memory devices and microfluidic applications, Proc. SPIE 8190, 819001R1-81900R12. pdf

  341. M. Ashwin Kumar, S. Sreedhar, I. Barman, N.C. Dingari, S. Venugopal Rao, P. Prem Kiran, Surya P. Tewari, and G. Manoj Kumar, Laser-induced breakdown spectroscopy-based investigation and classification of pharmaceutical tablets using multivariate chemometric analysis , Talanta, 87, 53-59, 2011. (18 citations) pdf

  342. S. Sreeja, S. Venugopal Rao, S. Bagchi, S. Sreedhar, T. Shuvan Prashant, P. Radhakrishnan, Surya P. Tewari, P. Prem Kiran, Supercontinuum Emission from Focused Femtosecond Laser Pulses in Air, AIP conf. Proc. 1391, 291-293, 2011. pdf

  343. S. Sreeja, S. Venugopal Rao, S. Bagchi, S. Sreedhar, T. Shuvan Prashant, P. Radhakrishnan, Surya P. Tewari, P. Prem Kiran, Supercontinuum Emission from Water using 40 fs pulses in the External Tight Focusing Limit, AIP conf. Proc. 1391, 285-287, 2011. pdf

  344. Syed Hamad, G. Krishna Podagatlapalli, Surya P. Tewari, L. Giribabu, S. Venugopal Rao, Femtosecond and Picosecond Optical Nonlinearities Of Corroles Studied Using Z- Scan Technique, AIP conf. Proc.1391, 683-685, 2011. pdf

  345. K.L.N. Deepak, S. Venugopal Rao, D. Narayana Rao, Femtosecond laser direct writing and spectroscopic characterization of microstructures, craters, and gratings in bulk/thin films of polystyrene, AIP conf. Proc. 1391, 271-274, 2011. pdf

  346. Debasis Swain, P.T. Anusha, T. Shuvan Prashant, Surya P. Tewari, Tridib Sarma, Pradeepta K. Panda, S. Venugopal Rao, Multiphoton absorption studies in porphycenes using picosecond and femtosecond pulses, AIP conf. Proc. 1391, 674-676, 2011. pdf

  347. S. Venugopal Rao , T. Shuvan Prashant, T. Sarma, Pradeepta K. Panda, D. Swain, Surya P. Tewari, Two-photon and three-photon absorption in dinaphthaporphycenes, Chem. Phys. Lett. 514 , 98-103, 2011. (13 citations) pdf

  348. S. Venugopal Rao, T. Shuvan Prashant, K.L.N. Deepak, G. Manoj Kumar, Surya P. Tewari, D. Narayana Rao, Laser Direct Writing of Photonic Structures in X-cut Lithium Niobate using Femtosecond Pulses, Proc. SPIE 8173, 81730G, 2011. pdf

  349. S. Venugopal Rao, S. Sreedhar, M. Ashwin Kumar, P. Prem Kiran, Surya .P. Tewari, and G. Manoj Kumar, Laser Induced Breakdown Spectroscopy of high energy materials using nanosecond, picosecond, and femtosecond pulses: Challenges and opportunities, Proc. SPIE 8173, 81731A, 2011. pdf

  350. P. Rajesh, S. Sreedhar, K. Boopathi, S. Venugopal Rao, P. Ramasamy Enhancement of the crystalline perfection of <0 0 1> directed KDP single crystal, Current Applied Physics 11, 1343-1348, 2011. (2 citations) pdf

  351. S. Venugopal Rao , Picosecond nonlinear optical studies of gold nanoparticles synthesized using coriander leaves , J. Modern Optics 58(12), 1024-1029, 2011. (4 citations) pdf

  352. K.L.N. Deepak, S. Venugopal Rao , D. Narayana Rao, Effects of thermal treatment on femtosecond laser fabricated diffraction gratings in polystyrene, Applied Surface Science 257, 9299-9305, 2011. (6 citations) pdf

  353. S. Venugopal Rao , P.T. Anusha, T. Shuvan Prashant, Debasis Swain, Surya P. Tewari, Third order optical nonlinearities and optical limiting in phthalocyanine thin films, Materials Science and Applications 2, 299-306, 2011. (9 citations) pdf

  354. S. Venugopal Rao, P.T. Anusha, T. Shuvan Prashant, Debasis Swain, Surya P. Tewari, Ultrafast nonlinear optical properties and excited state dynamics of phthalocyanine thin films, in Organic Photonic Materials and Devices XIII, edited by Robert L. Nelson, Fran ois Kajzar, Toshikuni Kaino, Yasuhiro Koike, Proc. SPIE 7935 (SPIE, Bellingham, WA 2011) 793517. pdf

  355. K.L.N. Deepak, R. Kuladeep, V. Praveen Kumar, S. Venugopal Rao , D. Narayana Rao, "Spectroscopic investigations of femtosecond laser irradiated Polystyrene and fabrication of microstructures," Opt. Commun. 284(12), 3074-3078, 2011. (5 citations) pdf

  356. T. Sarma, Pradeepta K. Panda, P.T. Anusha, S.Venugopal Rao , Dinapthoporphycenes: Synthesis and nonlinear optical properties, Org. Lett. 13(2), 188-191 (2011). (26 citations) pdf

  357. K.L.N. Deepak, S. Venugopal Rao, D. Narayana Rao, Luminescent microstructures in bulk and thin films of PMMA, PDMS, PVA, and PS fabricated using femtosecond direct writing technique Chem. Phys. Lett. 503, 57-60, 2011. (8 citations) pdf



  358. 2010


  359. K.L.N. Deepak, S. Venugopal Rao , D. Narayana Rao, "Femtosecond laser written microstructures in bulk Poly Methylmethacrylate (PMMA) and Poly Dimethyl Siloxane (PDMS) at 800 nm towards lab on chip applications," Pramana - J. Physics 75(6), 1221-1232, 2010. (6 citations) pdf

  360. S. Venugopal Rao, P.T. Anusha, L. Giribabu, Surya P. Tewari, Picosecond optical nonlinearities in symmetrical and unsymmetrical phthalocyanines studied using the Z-scan technique, Pramana - J. Physics 75(5), 1017-1023, 2010. (8 citations) pdf

  361. K.L.N. Deepak, D. Narayana Rao, S. Venugopal Rao , Electron Spin Resonance, Confocal, micro-Raman, and emission characterization of femtosecond laser modified regions in Poly (Methyl Methacrylate) and Poly (Dimethyl Siloxane), KIRAN (Bulletin of Indian Laser Association), 21(1) , 25-27 (2010). pdf

  362. P.T. Anusha, L. Giribabu, Surya P. Tewari, S. Venugopal Rao, Picosecond nonlinear optical studies of unsymmetrical alkyl and alkoxy phthalocyanines," Mat. Lett. 64, 1915-1917, 2010.(18 citations) pdf

  363. K. Venkata Saravanan, K.C. James Raju, M. Ghanashyam Krishna, Surya P. Tewari, S. Venugopal Rao , Large three-photon absorption in Ba0.5Sr0.5TiO3 films studied using Z-scan technique, Appl. Phys. Lett. 96, 232905, 2010. (15 citations) pdf

  364. K.L.N. Deepak, D. Narayana Rao, S. Venugopal Rao, Fabrication and optical characterization of microstructures in PMMA using femtosecond pulses at 800 nm," Applied Optics 49(13), 2475-2489, 2010. (21 citations) pdf
  365. (Listed in June issue of Virtual Journal of Ultrafast Science, 9(6), 2010) & (Listed in Virtual Journal of Biomedical Optics, 5(9), 2010).

  366. S. Venugopal Rao , Phthalocyanines for photonics applications: A new perspective," Proc. SPIE 7728,77281N1, 2010. (1 citation) pdf

  367. S. Sreedhar, S. Venugopal Rao, P. Prem Kiran, Surya P. Tewari, G. Manoj Kumar, "Stoichiometric analysis of ammonium nitrate and ammonium perchlorate with nanosecond laser induced breakdown spectroscopy, Proc. SPIE 7665, 76650J, 2010. (1 citation) pdf

  368. S. Sreedhar, G. Manoj Kumar, P. Prem Kiran, Surya P. Tewari, S. Venugopal Rao , "Laser-induced breakdown spectroscopy of RDX and HMX with nanosecond, picosecond, and femtosecond pulses, Proc. SPIE 7665, 76650T, 2010. pdf

  369. G. Anandha Babu, S. Sreedhar, S. Venugopal Rao, P. Ramasamy, "Synthesis, growth, structural, thermal, linear, and nonlinear optical properties of a new organic crystal: Dimehtylammonium Picrate, J. Crys. Grow. 312(12-13) , 1957-1962, 2010. (23 citations) pdf

  370. S. Venugopal Rao, Debasis Swain, Surya P. Tewari, Pump-probe experiments with sub-100 femtosecond pulses for characterizing the excited state dynamics of phthalocyanine thin films, Proc. SPIE 7599, 75991P, 2010 pdf

  371. S. Venugopal Rao, A.K. Prasad, L. Giribabu, S.P. Tewari, Picosecond and nanosecond third order nonlinear optical characterization of Cu & Ni phthalocyanines using Z-scan technique, Proc. SPIE 7599, 75991O, 2010. pdf

  372. P. Prem Kiran, S. Venugopal Rao, B.M. Krishna, H. Sekhar, Shadak Alee, D. Narayana Rao, Enhanced optical limiting performance through nonlinear scattering in nanoparticles of CdS, co-doped Ag-Cu, and BSO, Nonlinear Optics Quantum Optics 40(1-4), 223-234, 2010. (4 citations) pdf

  373. S. Venugopal Rao, P. Prem Kiran, L Giribabu, M. Ferrari, G. Kurumurthy, B.M. Krishna, H. Sekhar, D. Narayana Rao, Anomalous nonlinear absorption behavior of an unsymmetrical phthalocyanine studied near 800 nm using femtosecond and picosecond pulses, Nonlinear Optics Quantum Optics 40(1-4), 183-191, 2010. (4 citations) pdf

  374. R. Sathyavathi, M. Balamurali Krishna, S. Venugopal Rao, R. Saritha, D. Narayana Rao, Biosynthesis of Silver Nanoparticles Using Coriandrum Sativum Leaf Extract and Their Application in Nonlinear Optics, Advanced Science Letters 3(2), 138-143, 2010. (62 citations) pdf


  375. 2009



  376. K.C. Vishnubhatla, S. Venugopal Rao, R. Sai Santosh Kumar, M. Ferrari, D. Narayana Rao, Optical characterization of micro-structures in silicate, FOTURAN and tellurite glasses inscribed by femtosecond laser direct writing, Opt. Commun. 282, 4537-4542, 2009.(8 citations) pdf

  377. K.C. Vishnubhatla, S. Venugopal Rao, R. Sai Santosh Kumar, R. Osellame, S.N.B. Bhaktha, S. Turrell, A. Chiappini, A. Chiasera, M. Ferrari, M. Mattarelli, M. Montagna, R. Ramponi, G.C. Righinini, D. Narayana Rao, Direct writing of waveguides and gratings in BACCARAT glass using femtosecond pulses, J. Phys. D.: Appl. Phys. 42, 205106, 2009. (11 citations) pdf
  378. See the write up on this article in Nature, India pdf

  379. R.S.S. Kumar, S. Venugopal Rao, L. Giribabu, D. Narayana Rao, Ultrafast nonlinear optical properties of alkyl phthalocyanines investigated using degenerate four-wave mixing technique, Opt. Mat. 31, 1042-1047, 2009.(18 citations) pdf

  380. S. Venugopal Rao, N. Venkatram, L. Giribabu, D. Narayana Rao, Ultrafast nonlinear optical properties of phthalocyanines nanoparticles at 800 nm studied using Z-scan, J. Appl. Phys. 105, 053109, 2009. (26 citations)(Also listed in April issue of Virtual Journal of Ultrafast Science, 8(4), 2009) pdf

  381. S. Venugopal Rao Femtosecond and continuous wave nonlinear optical properties of (H2)2SnPc, Sn(OH)2Pc, Sn(Cl)2Pc studied using Z-scan technique, Proc. SPIE 7197, 719715-1 to 719715-10, 2009. pdf


  382. 2008



  383. N. Venkatram, L. Giribabu, D. Narayana Rao, S. Venugopal Rao, Femtosecond nonlinear optical properties of alkoxy phthalocyanines at 800 nm studied with Z-scan technique, Chem. Phys. Lett. 464, 211-215, 2008. (28 citations) pdf


  384. S. Venugopal Rao, A.A. Bettiol, F. Watt, Characterization of channel waveguides and tunable microlasers in SU8 doped with Rhodamine B fabricated using Proton Beam Writing, J. Phys. D. Applied Physics (Fast Track Communication) 41, 192002, 2008. (5 citations) pdf

  385. N. Venkatram, L. Giribabu, D. Narayana Rao, S. Venugopal Rao, Nonlinear optical and optical limiting studies in alkoxy phthalocyanines studied at 532 nm with nanosecond pulse excitation , Applied Physics B 91, 149-156, 2008. (29 citations) pdf

  386. K.C. Vishnubhatla, S. Venugopal Rao, R.S.S. Kumar, S.N.B. Bhaktha, A. Chiappini, A. Chiasera, J. Laureyns, M. Ferrari, M. Mattarelli, M. Montagna, R. Osellame, R. Ramponi, G.C. Righini, S. Turrell, D. Narayana Rao, Micro-Raman mapping of micro-gratings in BACCARAT glass directly written using femtosecond laser, Proc. SPIE 6881, 688114-1 to 688114-10, 2008. (2 citation) pdf

  387. K.C. Vishnubhatla, S. Venugopal Rao, R.S.S. Kumar, K.S. Prasad, P.S.R. Prasad, D. Narayana Rao, Inscription and characterization of micro-structures in silicate, FOTURANTM and tellurite glasses by femtosecond laser direct writing, Proc. SPIE 6881, 688113-1 to 688113-10, 2008. (2 citations) pdf


  388. 2007


  389. R.S.S. Kumar, S. Venugopal Rao, L. Giribabu, D. Narayana Rao, Nonlinear absorption properties of alkyl phthalocyanines in the femtosecond, nanosecond, and cw regimes Proc. SPIE 6875, 68751D-1 to 68751D-12, 2008. (11 citations) pdf

  390. G.V. Prakash, K. Pradeesh, A. Kumar, S. Venugopal Rao, M.L. Markham, J.J. Baumberg, Fabrication and optoelectronic characterization of ZnO photonic structures, Materials Letters 62(8-9), 1183-1186, 2008. (16 citations) One of the TOP-25 HOTTEST/downloaded articles (Science Direct) in the period of January-March, 2008 pdf

  391. R.S.S. Kumar, S. Venugopal Rao, L. Giribabu, D. Narayana Rao, Femtosecond and nanosecond nonlinear optical properties of alklyphthalocyanines studied using Z-scan , Chem. Phys. Lett. 447, 274-278, 2007. (55 citations) pdf

  392. S.J. Mathews, S. Chaitanya Kumar, L. Giribabu, S. Venugopal Rao, Large third order nonlinear optical and optical limiting properties of symmetric and unsymmetrical phthalocyanines studied using Z-scan, Optics Communications, 280(1), 206-212, 2007. (38 citations) One of the TOP-25 HOTTEST/downloaded articles (Science Direct) in the period of October-December, 2007 pdf

  393. S.J. Mathews, S. Chaitanya Kumar, L. Giribabu, S. Venugopal Rao, Nonlinear optical and optical limiting properties of phthalocyanines in solution and thin films of PMMA studied using a low power He-Ne laser, Materials Letters 61(22), 4426-4431, 2007. (45 citations) pdf

  394. S. Venugopal Rao, A.A. Bettiol, K.C. Vishnubhatla, S.N.B. Bhaktha, D. Narayana Rao, F. Watt, Fabrication and characterization of Microlasers in SU8 doped with Rhodamine B using high energy proton beam, Appl. Phys. Lett. 90 , 101115, 2007. (4 Citations) (Also listed in March 19 issue of Virtual Journal of Nanoscale Science and Technology, 15(11), 2007.) pdf


  395. 2006


  396. A.A. Bettiol, S. Venugopal Rao, and F. Watt, Fabrication of buried, channel waveguides in Foturan glass using proton beam writing, Appl. Phys. Lett. 88, 171106, 2006. (34 Citations in SCOPUS) pdf

  397. A. A. Bettiol, E.J. Teo, C.N.B. Udalagama, S. Venugopal Rao, J. A. van Kan, P. Shao, F. Watt, Integrating photonic and microfluidic structures on a device fabricated using proton beam writing, Proceedings of SPIE 6186, 61860F, 2006. (5 citations) pdf

  398. A.A. Bettiol, S. Venugopal Rao, T.C. Sum, J.A. van Kan and F. Watt, Fabrication of optical waveguides using proton beam writing, J. Crystal Growth 288, 209-212, 2006. (13 citations) pdf


  399. 2005


  400. T. C. Sum, A.A. Bettiol, J.A. van Kan, S. Venugopal Rao, F. Watt, K. Liu, E.Y.B. Pun, Direct imaging of the end-of-range and surface profiles of proton beam written erbium-doped waveguide amplifiers by atomic force microscopy, J. Appl. Phys., 98, 033533, 2005. (11 citations in Web Of Science) pdf

  401. A.A. Bettiol, T.C. Sum, F.C. Cheong, C.H. Sow, S. Venugopal Rao, J.A. van Kan, E.J. Teo, K. Ansari and F. Watt A progress review of proton beam writing applications in microphotonics, Nuclear Instruments & Methods in Physics Research B 231, 364-371, 2005 (41 citations) One of the TOP-25 HOTTEST/downloaded articles (Science Direct) in the period of April-June, 2005. pdf

  402. T. C. Sum, A. A. Bettiol, K. Liu, R.M. Qin, E.Y.B. Pun, S. Venugopal Rao, J. A. van Kan, and F. Watt, Proton beam writing of Erbium doped waveguide amplifiers, Nuclear Instruments & Methods in Physics Research B 231, 394-399, 2005 11 citations in SCOPUS) pdf


  403. 2004


  404. D. Narayana Rao, P. Prem Kiran, N.K.M. Naga Srinivas, and S. Venugopal Rao, Tetratolylporphyrins as optical limiters , Special issue of Indian Society for Radiation and Photochemical Sciences Bulletin 16(3-4) , 3-8, 2004. (Edited by A. Samanta) pdf

  405. S. Venugopal Rao, K. Moutzouris, and M. Ebrahimzadeh, Nonlinear frequency conversion in semiconductor optical waveguides using birefringent, modal, and quasi-phase-matching techniques, Journal of Optics A: Pure and Applied Optics 6, 569-584, 2004. (22 Citations in SCOPUS) pdf

  406. T. C. Sum, A.A. Bettiol, S. Venugopal Rao, J.A. van Kan, A. Ramam, F. Watt, Proton beam writing of passive polymer optical waveguides, in Micromachining Technology for Microoptics and Nanooptics II, E.G. Johnson and G.P. Nordin, Editors, Proc. SPIE 5347,160-169, 2004. (9 citations in SCOPUS) pdf


  407. 2003


  408. N.K.M. Naga Srinivas, S. Venugopal Rao, and D. Narayana Rao, Saturable and reverse saturable absorption properties of Rhodamine B in methanol and water , J. Opt. Soc. Am. B 20(12), 2470-2479, 2003. (42 Citations) pdf

  409. K. Moutzouris, S. Venugopal Rao, M. Ebrahimzadeh, A. De Rossi, M. Calligaro, V. Ortiz, and V. Berger, Second harmonic generation through optimized modal phase matching in semiconductor waveguides, Appl. Phys. Lett. 83(4), 620-622, 2003. (42 CItations in SCOPUS) (Also listed in August issue of Virtual Journal of Ultrafast Science, 2(8), 2003) pdf

  410. K. Zeaiter, D. Hutchings, R.M. Gwilliam, K. Moutzouris, S. Venugopal Rao, and M. Ebrahimzadeh, Quasi-phase-matched second harmonic generation in an GaAs/AlAs superlattice waveguides using ion-implantation induced intermixing , Opt. Lett. 29, 911-913, 2003. (31 in SCOPUS) pdf

  411. V. Loyo-Maldonado, H.K. Lee, C.R. Stanley, S. Venugopal Rao, K. Moutzouris, M. Ebrahimzadeh, and J.S. Aitchison, Generation of ultra short electrical pulses in semiconductor waveguides , IEEE Phot. Tech. Lett. 15(3), 428-430, 2003. (9 in SCOPUS) pdf

  412. S. Venugopal Rao, K. Moutzouris, M. Ebrahimzadeh, A. De Rossi, M.Calligaro, V. Ortiz, G. Ginitz, and V. Berger, Influence of two-photon absorption and scattering on the optical loss in GaAs/Al2O3 nonlinear waveguides using femtosecond pulses , IEEE J. Quant. Electron. 39(3), 478-486, 2003. (9 Citations in WOS) pdf


  413. 2002


  414. S. Venugopal Rao, K. Moutzouris, M. Ebrahimzadeh, A. De Rossi, M.Calligaro, V. Ortiz, G. Ginitz, V. Berger, Measurements of optical loss in GaAs/Al2O3 nonlinear waveguides in the infrared using femtosecond scattering technique , Opt. Commun. 213(4-6), 223-228, 2002. (17 Citations) pdf

  415. S. Venugopal Rao, N.K.M.N. Srinivas, and D. Narayana Rao, Nonlinear absorption and excited state dynamics in Rhodamine B studied using Z-scan and degenerate four wave mixing techniques , Chem. Phys. Lett. 361(5-6), 439-445, 2002. (28 Citations) pdf

  416. S. Venugopal Rao and D. Narayana Rao, Excited state dynamics of phthalocyanines studied using degenerate four wave mixing with incoherent light (DFWM-IL), J. Porphy.Phth. 6(3), 234-238, 2002. (15 Citations) pdf

  417. K. Moutzouris, S. Venugopal Rao, M. Ebrahimzadeh, A. De Rossi, V. Berger, M. Calligaro and V. Ortiz, Efficient second harmonic generation in GaAs/Alox waveguides using birefringent phase matching, Opt. Lett. 26(22), 1785-1787, 2001. (27 in SCOPUS) pdf


  418. 2001


  419. S. Venugopal Rao, N.K.M.N. Srinivas, L. Giribabu, B.G. Maiya, D. Narayana Rao, Reji Philip, and G. Ravindra Kumar, Excited state dynamics in tetratolyl porphyrins studied using DFWM with incoherent light and ps pulses, Opt. Commun.192, 123-133, 2001. (27 Citations) pdf

  420. N.K.M.N. Srinivas, S. Venugopal Rao, and D. Narayana Rao, Wavelength dependent studies of nonlinear absorption in ZnmpTBP using Z-scan, Journal of Porphyrins and Phthalocyanines 5(7), 549-554, 2001. (34 Citations) pdf

  421. 2000 and Earlier


  422. S. Venugopal Rao, N.K.M.N. Srinivas, L. Giribabu, B.G. Maiya, D. Narayana Rao, R. Philip, and G. Ravindra Kumar, Studies of third-order optical nonlinearity and nonlinear absorption in tetratolyl porphyrins using degenerate four wave mixing and Z-scan, Opt. Commun. 182, 255-264, 2000 (75 Citations in SCOPUS) pdf

  423. P. Gangopadhyay, S. Venugopal Rao, D. Narayana Rao, T.P. Radhakrishnan, N-Alkyl-p-nitroanilines: Impact of alkyl chain length on crystal structures and optical SHG, J. Mater. Chem. 9(8), 1699-1706, 1999. (37 Citations) pdf

  424. S. Venugopal Rao, D. Narayana Rao, J.A. Akkara, B.S. DeCristofano, and D.V.G.L.N. Rao, Dispersion studies of nonlinear absorption in C60 using Z-scan, Chem. Phys. Lett. 297, 491-498, 1998. (55 Citations in SCOPUS) pdf

  425. D. Narayana Rao, S. Venugopal Rao, E. Blanco, F.J. Aranda, D.V.G.L.N. Rao, and J.A. Akkara, A comparative study of C60, phthalocyanine and a porphyrin for optical limiting over the visible region, J. Sci. Ind. Res. (Special issue on frontiers in bio-technology) 57(10,11), 664-667, 1998. (9 citations) pdf

  426. S. Venugopal Rao and D. Narayana Rao, Excited state dynamics of C60 studied using incoherent light, Chem. Phys. Lett. 283(3-4), 227-230, 1998. (12 citations in SCOPUS) pdf

  427. S. Venugopal Rao, L. Giribabu, B.G. Maiya, and D. Narayana Rao, A novel observation in the measurement of ultrafast relaxation times using incoherent light, Current Science 72(12), 957-960, 1997. (6 citations) pdf

  428. D. Narayana Rao, S. Venugopal Rao, F.J. Aranda, M. Nakashima, and J.A. Akkara, Ultra-fast relaxation times of metalloporphyrins by time resolved degenerate four wave mixing with incoherent light," J. Opt. Soc. Am. B 14(10), 2710-2714, 1997. (33 citations) pdf

  429. International and National Conference Publications

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    Invited Talks

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