Research Experience

Research Student, International School of Photonics, March 2004- Present

Topic of Research: Laser Produced Plasma

Areas of Interest: Laser pulse propagation through plasmas, optical tomography of plasmas, plasma expansion in external magnetic field.

Publications

Non-linear optical properties of nano ZnO colloids using Z scan technique, Bindu Krishnan, Litty Irimpan, Deepthy A, Dann V J, V P N Nampoori, Fourth DAE-BRNS National Laser Symposium (January, 2005), Mumbai, India.

Studies on back-scattering of Laser light in colloidal silica, Litty Irimpan, V J Dann, Bindu Krishnan, A Deepthy, V P N Nampoori and P Radhakrishnan, Photonics 2004, Seventh International Conference on Optoelectronics, Fiber Optics, and Photonics (December, 2004), Cochin, India.

Coherent backscattering from nano sized ZnO, Bindu Krishnan, A Deepthy, Litty Irimpan, Dann V J, V P N Nampoori, Photonics 2004, Seventh International Conference on Optoelectronics, Fiber Optics and Photonics (December 2004), Cochin, India.

Temporal profile of Ti in laser produced plasma from Titania, Dann V J , Manoj V Mathew, V M Nandakumaran, C P G Vallabhan, V P N Nampoori, Fifth DAE-BRNS National Laser Symposium (December 2005), Vellore, India.

Spectral Characterisation of laser produced plasma from Titanium Dioxide, V J Dann, Manoj V Mathew, Jaimaon Yohannan, C P G Vallabhan, V M Nandakumaran and V P N Nampoori, 20^th Natonal Symposium on Plasma Science and Technology (December 2005), Cochin, India.

Fluorescence Study of Lanthanum Titanate, Lyjo K Joseph Litty  Mathew  Irimpan, Dann V  J, Radhakrishnan  P  and V  P N Nampoori, Fifth DAE-BRNS National Laser Symposium (December 2005), Vellore India.

A macrobend fiber-optic force sensor, Dann V J, Amrithesh M, Seema R and Thomas Lee S, Second International conference and twenty seventh Annual onvention of the Optical Society of India ( August, 2001), Thiruvananthapuram, India.

Laser Induced breakdown in aqueous solutions of Rhodamine 6G, Sajith Mathews T, Dann V  J, V P N Nampoori, Fifth DAE-BRNS National Laser Symposium (December 2005), Vellore, India.

Spectoscopic Characterisation of Laser Induced Plasma from Titanium Dioxide. V J Dann ,  Manoj V Mathew, V P N Nampoori ,   C P G Vallabhan, V M Nandakumaran, P Radhakrishnan, Plasma Science and Technology, Vol 9, No 4, August 2007.

Light amplification in dye doped polymer films, Ritty J Nedumpara1, K Geetha, V J Dann, C P G Vallabhan, V P N Nampoori and P Radhakrishnan, J. Opt. A: Pure Appl. Opt. 9 (2007) 174–179.

Backscattering from nano-sized ZnO suspensions , Bindu Krishnan, A. Deepthy Litty Irimpan, Dann.V.J, V.P.N Nampoori, Physica E 35 (2006) 23-26.
 

Optical Tomography of Laser Produced Plasma using Pixel Method. V J Dann,  Arun Anand,  C V S Rao,  D   Sajeev, V P N Nampoori. Progress on Tunable lasers for Ultrafast Processes and Applications (PTLUPA 6) , Indian Institute of Technology, Madras (December 21-22, 2006).

Electrical characterisation of laser produced plasma from a metallic target.  V J Dann, D Sajeev, C P G Vallabhan, V M Nandakumaran, V P N Nampoori, PLASMA 2006, Malaviya NIT, Jaipur (December 19-22, 2006).

Effect of External Magnetic Field on the dynamics of Laser Generated Plasma from a  Solid Target. V J Dann, D Sajeev, C P G Vallabhan, V M Nandakumaran, P Radhakrishnan, V P N Nampoori. Photonics 2006, University of Hyderabad (December 13-19, 2006).

Spectral studies on the laser induced breakdown of corals. D Sajeev, V J Dann, V P N Nampoori,   Photonics 2006, University of Hyderabad (December 13-19, 2006).

Academic Background

M. Sc. in Physics, School of Pure and Applied Physics, Mahatma Gandhi University, Kottayam, India; 2003

B. Sc. in Physics, Mahatma Gandhi University, Kottayam, India; 2000.   

Awards and Achievements

CSIR - UGC NET for Physical Sciences in India.

Qualified GATE - 2003 in Physics.

Professional Associations

Student Member, the International Society for Optical Engineering (SPIE).

Student Member, Photonics Society of India (PSI).

Student Member, Plasma Sciences Society of India (PSSI).

Student Member, Indian Laser Association (ILA).

Additional Info:

Vice - President, ISP - SPIE Student Chapter      

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