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Home I Publication I  International Conferences 

 

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Top of the pagePublications-2011
Comparison of CO2 and UV inscribed LPFG for ethanol concentratoin detection in ethanol blended petrol. J Linesh, T M Libish, B Mathews, Radhakrishnan. P and VPN Nampoori. International Conference on Contemporary trends in Optics and Optoelectronics, XXXV Optical Society of India Symposium, Thiruvananthapuram, India, 17-19, Jan 2011.
Optical Fiber Sensor to determine critical micelle concentration of binary mixtures of tert-Butyl alcohol and water. J. Linesh, Diblin M. J, T. M. Libish, Bobby M, P. Radhakrishnan and V. P. N. Nampoori., International Conference on Contemporary trends in Optics and Optoelectronics, XXXV Optical Society of India Symposium, Thiruvananthapuram, India, 17-19, Jan 2011.
Optical non-linearity in ZnO-TeO2 glass fron z-scan technique. Rose Leena Toms, Vasuja, Rajeena, Misha Hari, Nityaja B, V. P. N. Nampoori, P. Radhakrishnan and Sheenu Thomas. International Conference on Contemporary trends in Optics and Optoelectronics, XXXV Optical Society of India Symposium, Thiruvananthapuram, India, 17-19, Jan 2011.
Shadowgraphic imaging studies of laser produced aluminium plasma. Sreeja Thampi, Sony George, Nampoori VPN and P Radhakrishnan. International Conference on Contemporary trends in Optics and Optoelectronics, XXXV Optical Society of India Symposium, Thiruvananthapuram, India, 17-19, Jan 2011.
Nonlinear Optical Investigation on Lead Iodide Dihydrate using Open aperture Z-scan measurement. Rajeena I, Lillibai G, Nityaja B, Misha Hari, Indu Sebastin, Nampoori VPN and P Radhakrishnan. International Conference on Contemporary trends in Optics and Optoelectronics, XXXV Optical Society of India Symposium, Thiruvananthapuram, India, 17-19, Jan 2011.
Top of the pagePublications-2010
DESIGN AND DEVELOPMENT OF DIAPHRAGM-BASED EFPI PRESSURE SENSOR. Anish P. P., Linesh J., Libish T. M., Mathew S., P. Radhakrishnan, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
LPFG BASED SENSOR TO MONITOR ETHANOL CONCENTRATION IN ETHANOL PETROL BLEND. J. Linesh, T. M. Libish, P. Radhakrishnan, V. P. N. Nampoori, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
OPTICAL FIBER SENSOR TO DETERMINE CRITICAL MOLE FRACTIONS OF ALCOHOL-WATER BINARY MIXTURES. J. Linesh, K. Sudeesh, T. M. Libish, P. Radhakrishnan, V. P. N. Nampoori, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
ADULTERATION DETECTION OF COCONUT OIL USING LONG PERIOD FIBER GRATING. T. M. Libish, J. Linesh, P. P. Anish, P. Biswas, S. Bandyopadhyay, K. Dasgupta, P. Radhakrishnan, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
FLUORESCENCE ENHANCEMENT OF SILVER NANOPARTICLES USING DNA AS A STABILISING AGENT. Nithyaja B., Misha H., Nampoori V. P. N, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
BANDGAP TUNABILITY OF CdS NANOPARTICLES USING BIOTEMPLATES. Vishnu K., Nithyaja B., S. Mathew and V. P. N. Nampoori, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
ENHANCED THERMAL DIFFUSIVITY OF R6G DYE ON ADDITION OF Ag/TiO2 NANOCOMPOSITE. Misha Hari, Santhi A. J, G. S. Avadhani, Nithyaja B., Deep Pung, Bishwajeet S., P.Radhakrishnan, V. P. N. Nampoori, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
OPTICAL PROPERTIES OF TiO2 NANOCOLLOID PREPARED FROM HYDROTHERMAL METHODE. Mathew S., Amit kumar Prasad, Thomas Benoy, Rakesh P. P., P. Radhakrishnan, C. P. G. Vallabhan, V. P. N. Nampoori, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
STUDY OF LASER PROFILE DEPENDANCY ON LiFC FILM ABLATION USING ICCD IMAGING TECHNIQUE. Sony George, Ajai Kumar, R. K. Singh, P. Radhakrishnan, V. P. N. Nampoori, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
LIGHT AMPLIFICATION IN A DYE DOPED GRADED INDEX POLYMER OPTICAL FIBRE. M. Kailasnath, Krishna Murari, Ravi Kumar, V. P. N. Nampoori, P. Radhakrishnan, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
EFFECT OF ETCHING ON THE REFRACTIVE INDEX AND TEMPERATURE SENSITIVTY OF A FIBER BRAGG GRATING . Linesh J., Libish T. M., P. Biswas, S. Bandyopadhaya, K. Dasgupta, P. Radhakrishnan, V. P. N. Nampoori, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
GENERALIZED BISTABILITY IN THE NONLINEAR DYNAMICS OF DELAYED, BIDIRECTIONALLY COUPLED SEMICONDUCTOR LASERS. Bejoy Varghese, B.K. Goswami, K. Dasgupta, V M Nandakumaran, PHOTONICS 2010: 10th International Conference on Fiber Optics & Photonics ,  IIT Guwahati, India, December (2010).
Top of the pagePublications-2005
International Conference on Optoelectronic Materials and Thin Film Technology. Ritty J.Nedumpara, Bindu Krishnan, V.P.N Nampoori, P. Radhakrishnan.International Conference on Optoelectronic Materials and Thin films for Advanced Technology (OMTAT),  Cochin,India, October (2005).
Investigations of the Random Lasing from a Gain Media with Nanosize Scatterers. Ritty J.  Nedumpara, Bindu Krishnan, V.P.N Nampoori, P. Radhakrishnan. International conference on optics and optoelectronics (ICOL), Dehradoon ,India, December 12-15, (2005).

Dual-beam thermal lens and Zscan studies of thermo optical properties of some nonlinear materials. A Santhi, Vinu V Namboodiri, V P N Nampoori and P Radhakrishnan, Lasers and Applications in Science and Engineering (Photonics west), San Jose, California, USA, January 22-27, (2005).

Flexible nanocomposite films with selective optical filtering. Bindu Krishnan, Denny Alappatt, Litty Irimpan, Raghu Natarajan ,V P N Nampoori, International Conference on Optoelectronic Materials and Thin films for Advanced Technology (OMTAT), Cochin, India, October 24-27, (2005)

Significance of parameter fluctuation rates in coupled directly modulated semiconductor laser systems. P. U. Jijo, M.P. John and V. M. Nandakumaran, ICOL - 2005, Dehradun, December 12-15, (2005).

Top of the pagePublications-2004

Control of chaos and noise induced instabilities in a Duffing oscillator with amplitude modulated feedback. P. U. Jijo, M.P.John, S. Rajesh and V. M. Nandakumaran, Perspectives in Nonlinear Dynamical Systems 2004 (PNLD - 2004), Chennai, 2004

Refractive index measurement using multimode fibers with long period grating. V V Namboodiri, A V Scaria, V P N Nampoori, V M Nandakumaran and P Radhakrishnan, Photonics Europe 2004, Strasbourg, France (2004).

Thermal characterization of liquid crystal mixtures using photoacoustic technique. Sajan D George, A. K. George, P Radhakrishnan, V. P. N. Nampoori and C. P. G. Vallabhan, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

A Fiber optic distributed sensor to characterize the properties of concrete mix. M Rajesh, M Sheeba K Geetha, P Radhakrishnan, C P G Vallabhan & V P N Nampoori, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Fiber optic sensor for the detection of paraffin oil traces in coconut oil. M Rajesh, M Sheeba, K Geetha, P Radhakrishnan, C P G Vallabhan & V P N Nampoori, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Design of a refractometer with wide dynamic range using side polished polymer optical fibre. K. Geetha, M. Rajesh, C.P.G. Vallabhan , V.P.N. Nampoori and P.Radhakrishnan, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Free electron lasing by combined axial - wiggler magnetic field embedded in rippled plasma. R. Pratap, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Many – body correction to the blue shift in GaInAs/InP/InAsP composite quantum wells. K S Romov, A. Yu .Silov , B Aneeshkumar , J. H Wolter , A . A Kuznetsov and N.S .Averkiev, 12th int. Symp “Nanostructurs; Physics and technology”, St. Petersburg, Russia, (2004).

Effect of parameter fluctuations in coupled directly modulated semiconductor lasers. M. P. John, P. U. Jijo and V. M.Nandakumaran. Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Studies On Backscattering 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), Cochin, India, December 9-11, (2004).

Backscattering from nano-sized ZnO suspensions. Bindu Krishnan, A. Deepthy, Litty Irimpan, Dann.V.J, V.P.N Nampoori, Photonics 2004(Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Stabilization of quasiperiodic and chaotic pulses from a directly modulated self pulsating semiconductor laser.  S.Rajesh and V. M. Nandakumaran. Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Third Order Nonlinear Optical properties of ZnO Thin Films using Z-Scan Technique. A Deepthy, D Ambika, Sajan D George, V Kumar and V P N Nampoori, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Saturable Absorption in Plasma polymerized Aniline Thin films Probed by Z-Scan Technique. U S Sajeev, Vinu V Namboodiri, Anwar Salah, A.Deepthi, V P N Nampoori, P Radhakrishnan, M R Anantharaman, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Nonlinear Optical Absorption in Multilayer BaTiO3 Thin Films. Anwar Salah, V. V. Namboodiri, A. Deepthy, V. Kumar, V. P. N. Nampoori and P. Radhakrishnan, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Study of the Effect of Electronic Energy Transfer on pH in Organic Dye Mixtures Using Dual Beam Thermal Lens Technique. Achamma Kurian, V P N Nampoori and C P G Vallabhan, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

nvestigation of transport properties of intrinsic semiconductors using open cell photoacoustic technique. Sajan D George, P. Radhakrishnan, V. P. N. Nampoori and C. P. G. Vallabhan, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Energy transfer and optical gain studies of FDS: Rh B dye mixture investigated under CW laser excitation. M. Kailasnath, G. Ajith Kumar, V.P.N Nampoori, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Photosensitivity of Laser Dye Mixtures in Polymer Matrix. A Photoacoustic Study. Annieta Philip K, Lyjo K. Joseph, Litty Irimpan, P. Radhakrishnan and V. P.N. Nampoori, Photonics 2004 (Seventh International conference on Optoelectronics, Fiber optics and Photonics), Cochin, India, December 9-11, (2004).

Ultrashort mach – Zehnder space switch based on quantum dots, R Prasanth , J E M HaverKort , J H Wolter , smart structure and materials , SPIE Conference 5383 , San Diego , USA (2004).

Synchronization of chaos in unidirectionally coupled modulated self pulsating semiconductor lasers: effects of delay and detuning. S Rajesh and V M Nandakumaran, Proc. of the international conference, Perspectives in Nonlinear Dynamics (PNLD 2004), IIT Madras, Chennai, July (2004).

Coherent backscattering from nanosized 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 , Cochin ,India  9-11, December (2004 ).

Top of the pagePublications-2003
Fiber optic evanescent wave sensor for ammonia gas. P Suresh Kumar, Abraham V S, Thomas Lee S, C P G Vallabhan, V P N Nampoori and P Radhakrishnan , APOC 2003  (Materials, Active Devices, and Optical Amplifiers), Wuhan, China, Novemeber 2-6, (2003)
Long-period grating in multimode fiber for ammonia gas detection. P Suresh Kumar, Abraham V S, C P G Vallabhan, V P N Nampoori and P Radhakrishnan, APOC 2003  (Optical Fibers and Passive Components), Wuhan, China, Novemeber 2-6, (2003)
Investigation of Thermal and Transport properties of intrinsic and doped Si using Open Cell Photoacoustic Technique. Sajan D George, P. Radhakrishnan, V. P. N. Nampoori and C. P. G. Vallabhan , APOC 2003, Wuhan, China, Novemeber 2-6, (2003)
Laser induced nondestructive evaluation of transport properties of intrinsic and doped Si. Sajan D George, P Radhakrishnan, V P N Nampoori and C P G Vallabhan, International Conference on Laser Applications and Optical Metrology (ICLAOM-03), IIT Delhi, India, December 1-4 ( 2003) 
Fibre optic Respiration Sensor. Rajesh.M, Jibukumar.M.G, C.P.G.Vallabhan, P.Radhakrishnan and V.P.N.Nampoori , International Conference on Laser Applications and Optical Metrology (ICLAOM-03), IIT Delhi, India, December 1-4 ( 2003) 
Determination of fluorescence quantum yield of chemical ligand hydroxyphenol salycylaldehyde oxime using dual beam thermal lens method. Santhi. A, Ritty J.Nedumpara, U.L.Kala, P.Radhakrishnan, C.P.G.Vallabhan, V.P.N.Nampoori , International Conference on Laser Applications and Optical Metrology (ICLAOM-03), IIT Delhi, India, December 1-4 ( 2003) 
Excitation wavelength dependence of fluorescence quantum yield of chemical ligand determined using dual beam thermal lens methode. Santhi.A, Abraham V.S, U.L.Kala,Ritty.J.Nedumpara, P.Radhakrishnan, C.P.G. Vallabhan and V.P.N.Nampoori , First International Meeting on Applied Physics (APHYS-2003), Badajoz, SPAIN, October 14-18 ( 2003) 
Enhancement of thermal lens signal intensity from molecules of Rohodamine 6G dispersed in colloidal silver. Santhi.A, Abraham V.S, P.Radhakrishnan, C.P.G Vallabhan and V.P.N.Nampoori , First International Meeting on Applied Physics (APHYS-2003), Badajoz, SPAIN, October 14-18 ( 2003) 
Laser-induced thermal characterization of nano Ag metal dispersed ceramic alumina matrix, Sajan. D. George, Aji A Anapara, K. G. K Warrier, P.Radhakrishnan, C. P. G. Vallabhan and V. P. N. Nampoori, Microtechnolgies for New millennium 2003, Canary Islands, SPAIN, May 19-21 (2003)
Top of the pagePublications-2002
Electrorefraction in Quantum Dots. R.Prasanth, J.E.M.Haverkort, J.H.Wolter IEEE/LEOS Symposium, Benelux chapter, Amsterdam, The Netherlands, December (2002).
Macro Bending in Fiber Optic Interferometer Sensor for Displacement and Weight Measurement. V.P.N. Nampoori, S.Thomas Lee , C.P.G. Vallabhan and P. Radhakrishnan, SPIE Conference on Transducing Materials and Devices, Brugge, Belgium, Oct 28-Nov 1.
Fibre Optic Evanescent Ammonia Sensor. Suresh Kumar P, C.P.G. Vallabhan, V.P.N. Nampoori and P. Radhakrishnan, SPIE Conference on Transducing Materials and Devices, Brugge, Belgium, Oct 28-Nov 1.
Fibre Optic Evanescent Chromium Sensor. Suresh Kumar P, C.P.G. Vallabhan, V.P.N. Nampoori and P. Radhakrishnan, APOC-2002, Shanghai, China, Oct 14-18 (2002).
Studies on Optical Loss Coefficient in Plastic Waveguide. K. Geetha, Pramod Gopinath, K P Unnikrishnan, C. P. G. Vallabhan, V. P. N. Nampoori and P. Radhakrishnan, APOC-2002, Shanghai, China, Oct 14-18 (2002).
Investigation of Transport Properties of Doped GaAs Epitaxial Layers using Open Photo Acoustic Cell. S.D. George, Dilna S, P. Radhakrishnan, C.P.G. Vallabhan and V.P.N. Nampoori.  Photonics Asia-2002, Shanghai, China, Oct 14-18 (2002).
A Microbent Optical Fibre for Refractive Index Measurement. S.Thomas Lee, V.P.N. Nampoori , C.P.G. Vallabhan and P. Radhakrishnan. Photonics Asia-2002, Shanghai, China, Oct 14-18 (2002).
An LED based Fibre Optic Evanescent Wave Sensor for Simultaneous Detection of Chromium and Nitrate Traces in Water. Suresh Kumar P, C.P.G. Vallabhan, V.P.N. Nampoori and P. Radhakrishnan, Photonics- 2002, TIFR, Mumbai, India, Dec 16-18 (2002).
Control of Chaos in Directly Modulated Semiconductor Lasers. Rajesh S and V.M. Nandakumaran, Photonics- 2002, TIFR, Mumbai, India, Dec 16-18 (2002).
Modes in Planar Waveguides Based on Sol-gel Derived Thin Films of Nano ZnO. K.Geetha, T.Anto Johny, C.P.G. Vallabhan, V.P.N. Nampoori and P. Radhakrishnan, Photonics- 2002, TIFR, Mumbai, India, Dec 16-18 (2002).
Determination of molecular distance in organic dye mixtures using dual beam thermal lens technique. Achamma Kurian, Sajan D George, V P N Nampoori and C P G Vallabhan, Photonics- 2002, TIFR, Mumbai, India, Dec 16-18 (2002).
Use of Photo Acoustic Technique to Measure the Thermal Diffusivity and Phase Transition in Liquid Crystals. S.D. George, Dilna S, P. Radhakrishnan, C.P.G. Vallabhan and V.P.N. Nampoori, Photonics- 2002, TIFR, Mumbai, India, Dec 16-18 (2002).
Long Period Grating Fibres for Chemical Sensing. S.Thomas Lee, R. Dinesh Kumar, V.P.N. Nampoori ,C.P.G. Vallabhan and P. Radhakrishnan, Photonics- 2002, TIFR, Mumbai, India, Dec 16-18 (2002).
Non Linear Absorption in a Bis-Phthalocyanine : Sm(Pc)2. K.P. Unnikrishnan, Jayan Thomas ,V.P.N. Nampoori and C.P.G. Vallabhan, Photonics-2002, TIFR, Mumbai, India, Dec 16-18 (2002).
Large excitonic blue shift in composite quantum wells.  B Aneeshkumar, A Yu Silov, J H Wolter , 26th International Cononference on  Physics of Semiconductors, Edinburgh, Scotland,  July 29-Aug 2 ( 2002).
Separate electron-hole confinement in composite InAsyP1–y/GaxIn1–xAs quantum wells.  A. Yu. Silov, B. Aneeshkumar, M. R. Leys, N. S. Averkiev, P. C. M. Christianen and J. H. Wolter , 10th International Symposium- Nanostructures: Physics and Technology, St Petersburg, Russia,  June 17–21 ( 2002).
Fibre Optic Evanescent Ammonia Sensor. Suresh Kumar P, C.P.G. Vallabhan, V.P.N. Nampoori and P. Radhakrishnan,  9th International Meeting on Chemical Sensors (IMCS-2002), Boston, USA, July 7-10 (2002).
Top of the pagePublications-2001
Photoacoustic study of thermotropic liquid crystals.  Nibu A George, C P G Vallabhan, V P N Nampoori, P Radhakrishnan, C Carboni and A K George , 5th Gordon Research Conference on Photoacoustic and Photothermal Phenomena, Queens College, Oxford, UK,  Aug 19-24 ( 2001).
Thermal characterization of doped InP using photoacoustic technique. George, Sajan D.; Kurian, Achamma; Lase, Martin; Nampoori, V. P. N.; Vallabhan, C. P. G. Proceedings of SPIE-The International Society for Optical Engineering  4595 (Photonic Systems and Applications), (2001).
Realization of optical logic gates using thermal lens effect.  Achamma Kurian, K P Unnikrishnan, Pramod Gopinath, Binoy Paul, V P N Nampoori and C P G Vallabhan ,Proceedings of SPIE-The International Society for Optical Engineering (2001), 4595(Photonic Systems and Applications), (2001).
Influence of laser irradiance and helium ambient on the expansion of laser-produced carbon plasma. Harilal, S. S.; Bindhu, C. V.; Nampoori, V. P. N.; Vallabhan, C. P. G., Proc. SPIE-Int. Soc. Opt. Eng.  4424(Laser Interaction with Matter), (2001).
Fiber optic pH sensor with dye-doped multilayer sol-gel coatings. Lee, Thomas S.; Jose, Gin; Manju,C. M.; Joseph, Betty; John, M. Shelly;Radhakrishnan, P.Nampoori, V. P. N.; Vallabhan, C. P. G.; Unnikrishnan, N. V. ,Proc. SPIE-Int. Soc. Opt. Eng., 4417(Photonics 2001), (2001).
Thermal diffusivity of doped InP using OPC Sajan D George, C. P. G. Vallabhan, Martin Leys and V. P. N. Nampoori, Second Interntional Conference and XXVII annual conference of photonic society of India, Thiruvanthapuram, India, Aug 27-29 (2001).
Compact Match-Zender Space switch combining bandfilling and the quantum confined stark effect. R.Prasanth, J.E.M.Haverkort, J.H.Wolter, IEEE/LEOS Symposium, Benelux Chapter, Brussel, Belgium, December (2001).
Fibre Optic Evanescent Wave Sensor for Nitrites in Water.  P.Suresh Kumar, C.P.G. Vallabhan, V.P.N. Nampoori and P. Radhakrishnan, OPTONICS 2001, Thiruvanthapuram, India, Aug 27-29 (2001).
Top of the pagePublications-2000
Blue stark shift in composite quantum wells.  A.Yu. Silov, B. Aneeshkumar, M.R. Leys, H. Vonk, and J.H. Wolter, 25th Intern. Conf. Physics of Semiconductors, Osaka, Japan, Sept 17-22, (2000).
Characterization of an optical fiber sensor in detecting NO2 gas.  M S John, K P Unnikrishnan, Jayan Thomas, P Radhakrishnan, V PN Nampoori and C P G Vallabhan, PHOTONICS-2000 (International conference on fiber optics and photonics), Culcuta India, Dec 18-20, (2000).
Composite Quantum Wells on InP for blue Stark shift.  A.Yu. Silov, B. Aneeshkumar, M.R. Leys, H. Vonk, J.H. Wolter, 5th Ann. Symp. of the IEEE/LEOS Benelux Chapter, Delft, The Netherlands, Oct. 30, (2000).
Top of the pagePublications-1999
Passive organic solid-state optical limiter based on enhanced excited state absorption.  B Aneeshkumar, P Gopinath, J Thomas, N A George, P Radhakrishnan, V P N Nampoori and C P G Vallabhan, SPIE's 44th Annual Meeting - The International Symposium on Optical Science, Engineering, and Instrumentation -Tech. Conference 3798, Colorado Convention Center, USA, July 18-23,(1999).
Photoacoustic Monitoring of Nematic to Isotropic Transition in the Liquid Crystal BL001.  Nibu A George, C P G Vallabhan, V P N Nampoori, A K George and P Radhakrishnan,  International Conference on Laser Devices and Materials, DSC, New Delhi, India, Dec 8-10, (1999).
Optical limiter using samarium phthalocyanine (SmPc) doped copolymer matrix.  B Aneeshkumar, P Gopinath, J Thomas, Nibu A George, G Kumar, P Radhakrishnan, V P N Nampoori and C P G Vallabhan,  International Symposium on Photonics and Applications (SPIE) - Conference 3896, Shangri-La Hotel, Singapore, Nov 29-Dec 3, (1999).
NO2 detection with a fiber optic evanescent wave sensor.   Mechery, John Shelly; Thomas, Jayan; Unnikrishnan, K. P.; Radhakrishnan, P.; Nampoori, V. P. N.; Vallabhan, C. P. G.   , Proc. SPIE-Int. Soc. Opt. Eng. 3897(Advanced Photonic Sensors and Applications),  (1999).
A Polarization Independent MZI space switch with a 0.64 mm phase shifter and a low crosstalk penalty. B.H.P.Dorren, R.Prasanth, J.E.M.Haverkort, F.H.Groen, J.H.Wolter, IEEE/LEOS symposium, Benelux Chapter, Mons, Belgium, November (1999). 
Monitoring the rate of pulsed laser deposition of silver thin films using a fiber optic sensor.     John, M. Shelly; Radhakrishnan, P.; Nampoori, V. P. N.; Vallabhan, C. P. G.    Proc. SPIE-Int. Soc. Opt. Eng.  (1999).
Top of the pagePublications-1998
Photoacoustic study on photobleaching of Rhodamine 6G doped in poly methyl methacrylate.  Nibu A George, B Aneeshkumar, P Radhakrishnan and C P G Vallabhan,  International Conference on Optics and Optoelectronics, IRDE, Dehradun, India, Dec 9-12, (1998).
Multiphoton absorption studies in aqueous solutions of rhodamine 6G laser dye using transient thermal lens technique.   Bindhu, C. V.; Harilal, S. S.; Bindu, V.; Nampoori, V. P. N.; Vallabhan, C. P. G., International Conference on Optics and Optoelectronics, IRDE, Dehradun, India, Dec 9-12, (1998).
Evolutional dynamics of laser generated plasma from silicon carbide. Pramod Gopinath, Riju C Issac, Geetha K Varier, S S Harilal, Binoy Paul, V P N Nampoori, C P G Vallabhan, International Conference on Optics and Optoelectronics, IRDE, Dehradun, India, Dec 9-12, (1998).
Top of the pagePublications-1997
Top of the pagePublications-1996
Photoemission optogalvanic effect: theory and applications.  Prasad, K. C. Ajith; Nampoori, V. P. N.; Sasikumar, P. R.; Vallabhan, C. P. G. ,International Conference on Spectroscopy, (1996).   

Top of the pagePublications-1995

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