Papers Presented

 

1. Vijayakumar S., Sharafudeen K. N., Sudheesh P., Babu M.,    Balakrishna K., Chandrasekharan K. “Investigation of nonlinear optical properties of donor substituted Hydrazone derivatives”, Proc.of ICOP 2009, CSIO, Chandigarh, India, 30th  Oct.-1st  Nov., 2009. 2.Vijayakumar S., Sharafudeen K. N., Sudheesh P., Chandrasekharan K., “Third Order Nonlinear Optical Measurements in Donor Substituted Hydrazones Using Z-scan Technique” , Proc.of RETMAC 2010, NITK, Surathkal, Karnataka, India, 14th – 15th February, 2010. 3.Vijayakumar S., Adithya A., Balakrishna K., Chandrasekharan K., “ Nonlinear Absorption Studies in p-(N,N-dimethylaminophenyl)-2-chloro-5-nitro- Benzoylhydrazone, 10th International Conference on Organic Nonlinear Optics   (ICONO10), La Fonda Hotel Santa Fe, New Mexico 87501, US: May 18th-23rd May, 2008. 4.Sharafudeen K N, Vijayakumar S., Sudheesh P,Adithya Adhikari, Balakrishna Kalluraya,  Chandrasekharan K., “Nonlinear Absorption and Optical Limiting in 4-[ (E) - (2-phenylhydrazinylidene) methyl] tetrazole [1,5-a] quinoline”, Proc.of RETMAC 2010, NITK, Surathkal, Karnataka, India, 14th – 15th February, 2010. 5.Vijayakumar S, Chandrasekharan K., ‘‘Nonlinear optical properties in hydrazone derivative doped PMMA thin film at 532 nm”, International Conference On Functional Polymers, (Dept. of Chemistry and Leeds University,UK) NIT Calicut, 28-30 January 2011. 6.Vijayakumar S, Sharafudeen K N, Sudheesh P, Chandrasekharan K., “Degenerate Four wave Mixing Studies and Ultrafast Optical Kerr effect measurements of third-order nonlinear optical response in a charge transfer organic material” Optics’11, (Dept. of Physics NIT, Optical Society of India and  American Institute of Physics) NIT Calicut, 23-25 May 2011.   7.Sharafudeen K N, Vijayakumar S, Adithya A, Sudheesh P, B. Kalluraya, Chandrasekharan  K., ‘‘Third-order nonlinear optical study on Coumarin derivative at 1064 nm wavelength excitation using Z-scan technique” Optics’11, (Dept. of Physics NIT, Optical Society of India and  American Institute of Physics) NIT Calicut, 23-25 May 2011. 8.Vijayakumar S ; “Attittude of Teacher Trainees towards Blended Learning Practices”,  International Seminar on Institutional Interventions to Bridge Competency Gulf in an e-World (NSS Training College Pandalam), 24-26 March 2014. 9.Vijayakumar S; “Self-Directed Learning: Strategy to enhance Learner Driven Learning among students at Graduate Level”,  National Seminar –UGC Sponsored- on Learner Driven Learning: Leveraging the Winds of the Change(NSS Training College Pandalam), 19-20 August 2015. 10.Vijayakumar S, Shabna Nazeeb; “Synthesis, Linear and Nonlinear Optical Characterization of Manganese Nanocolloids”, Optics-15, A National Seminar on Light Department of Physics, VTMNSS College, Dhanuvachapuram, 12-13, November 2015. 11.Vijayakumar Sadasivan Nair, Maryam Hatamimoslehabadi, Chandra S Yelleswarsppu;    Structure-Nonlinear optical property relationship of carbon nanotubes: Poster presentation, Boston Photonics Centennial Conference ,Harward University Cambridge, USA, 26  th February2017.              12.Vijayakumar Sadasivan Nair, Saravanakumar Sadagopalan,  Maryam    Hatamimoslehabadi,  Chandra S Yelleswarsppu  Nonlinear optical properties and Photoacoustic studies of Copper Oxide nanoparticles :  ( Oral presentation , Nanoworld Conference  Boston USA, April 03-05 2017). 13.Vijayakumar Sadasivan Nair, Sarojini Sreelatha, Maryam Hatamimoslehabadi,  Chandra S Yelleswarsppu   Optoelectronic and Photoacoustic studies of an organic dye synthesized through green route : ( Poster presentation, EDISON 20: 20 th International Conference on Electron dynamics in Semiconductors, Optoelectronics and Nanostructures ,  University of Buffallo , NewYork , USA July 17-21 2017).   14.Vijayakumar Sadasivan Nair, Saravanakumar Sadagopalan,  b, Chandra S Yelleswarsppu . Nonlinearoptical properties and  Photoacoustic studies ofCu2O nanoparticles for Photonic and biomedical applications :( Poster presentation, Optical Society of America, Frontiers in Optics and Laser Science Conference OSA, Washington DC USA, 17-21 Sept 2017.      15.Vijayakumar Sadasivan Nair,  Chandra S Yelleswarsppu;    Geometrical volume -Nonlinear optical property relationship of carbon nanotubes: (Poster presentation, Optical Society of America, Frontiers in Optics and Laser Science Conference OSA, Washington DC USA, 17-21 Sept 2017. ) 16.Namith Nava Krishnan, S Vijayakumar ;   Structural and Optical Characterization of Copper Selenide (Cu2-xSe) nanoparticles, :(International Conference on Advanced Nanomaterials -ICAN 2018) February 26-28, 2018, Department of Nanoscience and Technology Agalappa University    Tamilnadu India. 17. Namith Nava Krishnan,  S Vijayakumar.  DFT studies on NLO active push-pull charge transfer Pyridine Derivative molecule: International Symposium on Crystallography and Advanced Materials (ISCAM-2018), 26-27 March 2018, Centre of Advanced Study in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai-Tamilnadu 18.Nonlinear optical properties of polyaniline doped with cardanol based dye, Lekshmi Jayamohan1 , Vijayakumar S *  *Corresponding author: NPS 2022-15 Presented in the International Conference on Recent Trends in Photonics-NPS 2022 February 27-March 1, 2022  Organised by International School of Photonics, Cochin University of Science    and Technology Cochin Kerala- 682022 19.Synthesis, linear and nonlinear optical properties of Ag andAl2O3 nanoparticles, Tiny Thomas1, Vijayakumar S * Lekshmi Jayamohan3, S, Saravana Kumar Presented in the International Conference on Recent Trends in Photonics-NPS 2022 February 27-March 1, 2022 Organised by International School of Photonics, Cochin University of Science and Technology Cochin Kerala- 682022