Publications-2002
Publications-2001
Publications-2000
Publications-1999 
Publications-1998
Publications-1997
Publications-1996
Publications-1995
  
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Home I Publication I  National Conferences 

 

This is not a complete list, Please visit later for updated list

Top of the pagePublications-2002
Non linear optical absorption in silver nanosol. K.P. Unnikrishnan, V.P.N. Nampoori, M. Umadevi, V. Ramakrishnan, and C.P.G. Vallabhan, National Laser Symposium (NLS-2002), SCTIMST, Thiruvananthapuram, Nov 14-16 (2002).
Spatial distribution of Cu & CuII species in laser produced plasma from brass. Dilna S , Pramod Gopinath, P. Radhakrishnan, C.P.G. Vallabhan and V.P.N. Nampoori, National Laser Symposium (NLS-2002), SCTIMST, Thiruvananthapuram, Nov 14-16 (2002).
Fibre optic based chemical sensor to detect endpoint in volumetric analysis. A.Santhi , S. Thomas Lee, Ginu Rajan, Veena Gopal , P. Radhakrishnan and V.P.N Nampoori, National Laser Symposium (NLS-2002), SCTIMST, Thiruvananthapuram, Nov 14-16 (2002).
Laser excited fluorescence characteristics of chemical ligand hydroxyphenol salicylaldehyde oxime. A Santhi , Pravitha Ramanand,  V.P.N. Nampoori and P. Radhakrishnan. National Laser Symposium (NLS-2002), SCTIMST, Thiruvananthapuram, Nov 14-16 (2002).
Quasi periodicity and chaos in a directly modulated semiconductor laser with delayed optoelectronic feedback. Rajesh S and V.M. Nandakumaran, National Laser Symposium (NLS-2002), SCTIMST, Thiruvananthapuram, Nov 14-16 (2002).
Fuel level indicator using long periodic grating in multimode optical fibers. P. Suresh Kumar, Dinesh Kumar. R, Jibukumar G, C. P. G. Vallabhan, V.P.N. Nampoori, and P. Radhakrishnan, National Laser Symposium (NLS-2002), SCTIMST, Thiruvananthapuram, Nov 14-16 (2002).
Influence of porosity on thermal diffusivity of LaPO4 ceramics- A photo acoustic measurement. S.D. George, Rajesh Komban, K.G.K. Warrier, P.Radhakrishnan, V.P.N. Nampoori and C.P.G. Vallabhan, National Laser Symposium (NLS-2002), SCTIMST, Thiruvananthapuram, Nov 14-16 (2002).
Study of pH dependence on fluorescence quantum yield of laser dye using thermal lens technique. Achamma Kurian, Sajan D George, V. P. N. Nampoori and C.P.G.Vallabhan, National Laser Symposium (NLS-2002), SCTIMST, Thiruvananthapuram, Nov 14-16 (2002).
Cortical interactions as inferred from EEG analysis during various cognitive and pathological brain conditions. Pravitha Ramanand, Rekha Mathew , R Sreenivasan and V.P.N. Nampoori. National Conference on Recent Advances in Non Linear Science 2002, I.I.Sc. Bangalore, Jul 31-Aug 2 (2002).
Numerical studies on directly modulated semiconductor laser with delayed optoelectronic feedback. Rajesh S and V.M. Nandakumaran, National Conference on Recent Advances in Non Linear Science 2002, I.I.Sc. Bangalore, Jul 31-Aug 2 (2002).
Synchronisation of an array of chaotic semiconductor lasers. V. Bindu and V.M. Nandakumaran, National Conference on Recent Advances in Non Linear Science 2002, I.I.Sc. Bangalore, Jul 31-Aug 2 (2002).
Unfolding of neural attractors: A time scales viewpoint. Pravitha Ramanand, P. Indic , V. P. N. Nampoori & R. Pratap. Chaos and Fractals: Application , Rajagiri School of Science and Technology, Cochin, Jan 18-19 (2002).
Top of the pagePublications-2001
Degenerate four wave mixing in some metal phthalocyanines. K P Unnikrishnan, V P N Nampoori and C P G Vallabhan, National Laser Symposium (NLS-2001), CAT Indore, Dec 19-21 (2001).
Photoacoustic evaluation of thermal diffusivity of Indium Phosphide, Nibu A George, C P G Vallabhan, V P N Nampoori and P Radhakrishnan, National Conference on Materials Science, M G University, Kottayam, Mar 23-24 (2001).
Thermal diffusivity of a substrate of two layer system using photoacoustic technique. Sajan D George, P. Radhakrishnan, V. P. N. Nampoori and C. P. G. Vallabhan, National Laser Symposium-2001, CAT Indore, Dec 19-21 (2001).
Studies on laser induced plasma from Cu-Al multiple target Pramod Gopinath, Binoy Paul, Dilna.S, Sreeja.R, V P N Nampoori and C P G Vallabhan, National Laser Symposium-2001, CAT Indore (2001).
Nonlinear Optical studies in samarium phthalocyanines doped poly methyl methacrylate using nanosecond pulses.  Binoy Paul, K P Unnikrishnan, Pramod Gopinath, Reji Philip, V P N Nampoori, C P G Vallabhan, National Laser Symposium(NLS-2001), CAT Indore, Dec 19-21 (2001).
Side illumination Fluorescence Studies in dye doped polymer waveguide. K Geetha, Pramod Gopinath, K P Uniikrishnan, S Thomas Lee, C P G Vallabhan, V P N Nampoori, P Radhakrishnan, National Laser Symposium-2001, CAT, Indore, Dec 19-21 (2001).
An LED Based Fibre Optic Evanescent Wave Sensor for the Detection of Trace Nitrites in Water. P. Suresh Kumar, C. P. G. Vallabhan, V.P.N. Nampoori, and P. Radhakrishnan, National Laser Symposium-2001, CAT, Indore, Dec 19-21 (2001). (Won the best poster award)
Fibre Optic Ammonia Sensor. P Suresh Kumar, S. Thomas Lee, C.P.G. Vallabhan, V.P.N. Nampoori and P. Radhakrishnan, SPENDE 2001, Kerala University, Kariavattom Campus, Thiruvananthapuram, May 25-26 (2001).
Top of the pagePublications-2000
Nonlinear absorption and optical limiting in solutions of a phthalocyanine.  K. P. Unnikrishnan, Binoy Paul, Achamma Kurian, Pramod Gopinath, V P N Nampoori and C P G Vallabhan,  National Laser Symposium(NLS)-2000, LASTEC, New Delhi, Dec 13-15, (2000).
Use of photoacoustic effect for the detection of phase transitions in polymer dispersed liquid crystal mixtures. Nibu A George, C P G Vallabhan, V P N Nampoori, A K George and P Radhakrishnan, National Laser Symposium-2000, DSC, New Delhi, Dec 13-15, (2000).
Photoacoustic evaluation of the thermal effusivity of the liquid crystals 7OCB and 8OCB. Nibu A George, C P G Vallabhan, V P N Nampoori, A K George and P Radhakrishnan, National Laser Symposium-2000, DSC, New Delhi, Dec 13-15, (2000).
Optical limiting studies on samarium phthalocyanine in methyl methacrylate matrix. Binoy Paul, K P Unnikrishnan, Pramod Gopinath, B Aneeshkumar, S Thomas Lee, V P N Nampoori, C P G Vallabhan, National Laser Symposium-2000, LASTEC, Delhi, Dec 13-15, (2000).
Nonlinear Absorption and Optical Limiting in solutions of a BIS-Phthalocyanines. K P Unnikrishnan, Binoy Paul, Achamma Kurian, Pramod Gopinath, V P N Nampoori, C P G Vallabhan, National Laser Symposium-2000, LASTEC, Delhi, Dec 13-15 (2000).
Dynamics of the ambient molecules during laser ablation of a solid target. Pramod Gopinath, Binoy Paul, K P Unnikrishnan, V P N Nampoori, C P G Vallabhan, PLASMA-2000, Saha Institute of Nuclear Physics, Calcutta, Dec 5-8 (2000). 
(Won the second best poster award)
Top of the pagePublications-1999
Studies on nonlinear refraction of metal phthalocyanines using Z-scan technique. K P Unnikrishnan, Jayan Thomas, V P N Nampoori and C P G Vallabhan. National Laser Symposium-1999, University of Hyderabad, Hyderanbad, Dec 15-17, (1999).
Photoacoustic study of phase transitions in liquid crystals. Nibu A George, C P G Vallabhan, V P N Nampoori, A K George and P Radhakrishnan, National Seminar on High Power Lasers, ISP, CUSAT, Cochin, Feb 26-27, (1999).
Optical limiting behaviour of Iron phthalocyanine doped co-polymer film. B. Aneeshkumar, Pramod Gopinath, Jayan Thomas, P.Radhakrishnan, V. P. N. Nampoori, C. P. G. Vallabhan, National Symposium on Antennas and Propagation,  Dept. of Electronics, CUSAT, Cochin, Dec 15-16, (1999).
A study on electron temperature in laser induced plasma from silver and teflon using electrical probes. Binoy Paul, Pramod Gopinath, Unnikrishnan K P, V P N Nampoori, C P G Vallabhan, National Laser Symposium-1999, University of Hyderabad Dec 15-17 (1999).
Spectral Emission from Cu+ in Laser Produced Copper Plasma-Spatial and Pressure Dependence. Pramod Gopinath, Binoy Paul, V P N Nampoori, C P G Vallabhan, National Laser Symposium-1999, University of Hyderabad, Dec 15-17 (1999).
Top of the pagePublications-1998
Investigations on the photobleaching of Rhodamine 6G doped in poly methyl methacrylate using photoacoustic technique. Nibu A George, B Aneeshkumar, P Radhakrishnan and C P G Vallabhan, National Laser Symposium-1998, I I T Kanpur, Dec 14-16, (1998).
Effect of poly(vinyl alcohol) concentration on fluorescence parameters of Rh-B laser dye B. Aneeshkumar, Nibu A George, P.Radhakrishnan, V. P. N. Nampoori, C. P. G. Vallabhan, National Laser Symposium-1998, I I T Kanpur, Dec 14-16, (1998).
Temporal and Spatial evolution of laser produced aluminium plasma. Binoy Paul, Pramod Gopinath, Unnikrishnan K P, V P N Nampoori, C P G Vallabhan, National Laser Symposium-1998, IIT Kanpur, Dec 14-16 (1998).
Collisional ionization of ambient molecules during laser ablation of Copper. Pramod Gopinath, Riju C Issac, Binoy Paul, Geetha K Varier, V P N Nampoori, C P G Vallabhan, National Laser Symposium-1998, IIT Kanpur, Dec 14-16 (1998).
Top of the pagePublications-1997
Diagnostics of laser produced plasma from silver under film deposition conditions. Riju C Issac, Vasudevan Pillai, Pramod Gopinath, P Radhakrishnan, V P N Nampoori, C P G Vallabhan, National Laser Symposium-1997, CAT, Indore, Feb 6-8 (1997).
Evolution of nonlinear refractive index of ZnSe using CW laser. Geetha K Varier, Riju C Issac, Pramod Gopinath, V P N Nampoori, C P G Vallabhan, National Laser Symposium-1997, CAT, Indore, Feb 6-8 (1997).
Prompt electron emission and impact ionization of ambient gas molecules during laser metal interaction. Riju C Issac, Pramod Gopinath, S S Harilal, Geetha K Varier, C V Bindhu, V P N Nampoori,C P G Vallabhan, National Symposium on Plasma Science & Technology, IPR, Gandhinagar, Dec 2-5 (1997). (Won the best oral presentation award)
Spatio-temporal evolution of laser ablated SiC plasma. Pramod Gopinath, Riju C Issac, S S Harilal, Geetha K Varier, C V Bindhu, V P N Nampoori, C P G Vallabhan,
National Symposium on Plasma Science & Technology, IPR, Gandhinagar, Dec 2-5, (1997).
Studies on amplified spontaneous emission from polyacrylamide embedded with rhodamine 6G. Geetha K Varier, Riju C Issac, Pramod Gopinath, V P N Nampoori, C P G Vallabhan, National Laser Symposium-1997, PRL,Ahmedabad, Dec 10-12 (1997).
Temporal variations of electron density and temperature in a laser produced plasma from silicon carbide. Pramod Gopinath, Riju C Issac, Geetha K Varier, C V Bindhu, S S Harilal, V P N Nampoori, C P G Vallabhan, National Laser Symposium-1997, PRL,Ahmedabad, Dec 10-12 ( 1997).
Molecular excitation by prompt electron impact during laser beam interaction with silver target. Riju C Issac, Pramod Gopinath, S S Harilal, Geetha K Varier, Binoy Paul, V P N Nampoori, C P G Vallabhan, National Laser Symposium-1997, PRL,Ahmedabad, Dec 10-12 (1997).
Top of the pagePublications-1996

Top of the pagePublications-1995

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