Papers published in International Journals
Depth-Kymography of vocal fold vibrations: part II. Simulations and direct comparisons with
3D profile measurements (pdf).
F F M de Mul, Nibu A George, Q Qiu, G Rakhorst and H K Schutte,
Physics
in Medicine and Biology, 54, 3955-3977 (2009)
A new laryngoscope for quantitative high-speed imaging of human vocal folds vibration
in the vertical and horizontal directions (pdf).
Nibu A George, F F M de Mul, Q Qiu, G Rakhorst and H K
Schutte,
Journal of Biomedical Optics, 13(6) (2008)
Depth-Kymography: High-speed calibrated 3D imaging of human vocal fold vibration dynamics (pdf) . {Invented a new 3D Endoscope and the new name
"Depth-Kymography" is introduced to the scientific world}
Nibu A George,
F F M de Mul, Q Qiu, G Rakhorst and H K Schutte,
Physics in Medicine and Biology, 53, 2667-2675 (2008)
This paper is awarded as Editors Choice (IOP Select). One among the top 30 most downloaded paper in 2008.
Evidence of band structure modification due to Jahn-Teller
distortion in LixMn2O4 by photoacoustic spectroscopy (pdf)
S Thomas Lee, K Raneendranath, Rajiv M Tomy, Nibu A George, S Jayalakshmi and
Jyotsna Ravi,
Journal of Physics D: Applied Physics, 40, 3807-3810 (2007)
Photoacoustic spectrum of samarium phthalocyanine powder (pdf)
Nibu A George, R Jyotsna, S Thomas Lee, B Aneeshkumar,
J Thomas, V P N Nampoori and P Radhakrishnan
Optical Materials 27, 1593-1595 (2005)
Measurement of velocity-temperature correlations in a
turbulent diffusion flame (pdf)
M J Tummers, E H van Veen, Nibu George,
R Rodnik and K Hanjalic
Experiments in Fluids 37, 364-374 (2004)
Fiber optic position sensitive detection of photothermal
deflection (pdf)
Nibu A George
Applied Physics B: Lasers and Optics 77(1), 77-80 (2003)
Thermal diffusivity of liquid crystalline
polymers measured using open cell photoacoustic technique (pdf)
Nibu A George
Smart Materials and
Structures 11, 561-564 (2002)
Photothermal deflection studies on
GaAs epitaxial layers (pdf)
Nibu A George, C P G Vallabhan, V P N Nampoori and P Radhakrishnan
Applied
Optics 41, 579-584(2002)
Photoacoustic studies on n-type Indium
Phosphide (pdf)
Nibu A George, C P G Vallabhan, V P N Nampoori and P Radhakrishnan
Optical
Engineering, 41(1), 251-254 (2002)
Photoacoustic evaluation of the thermal
diffusivity of coconut shell (pdf)
Nibu A George and Vinayakrishnan R
Journal of Physics: Condensed
Matter 14, 4509-4513 (2002); DELTA, the weekly news paper from Delft, published a special
report about this work in july 2002 (pdf of the article in dutch)
Effect of pH on quantum yield of fluorescein
measured using thermal lens technique
A Kurian, Nibu A George, S D
George, K P Unnikrishnan, B Paul, P Gopinath, V P N Nampoori and C P G Vallabhan,
Journal of Optics, 31, 29-36,
(2002)
Studies on fluorescence
efficiency and photodegradation of rhodamine 6G doped PMMA using a dual beam thermal lens technique (pdf)
A Kurian, Nibu A George, B Paul, V P N Nampoori and C P G Vallabhan,
Laser
Chemistry, 20, 99-110 (2002)
Photoacoustic evaluation
of the thermal effusivity of the liquid crystals 7OCB and 8OCB (pdf)
Nibu A George, C P G Vallabhan, V P N Nampoori, A K George and P Radhakrishnan,
Applied
Physics B: Lasers and Optics, 73, 145-149 (2001)
Thermal wave propagation
in multilayer samples: A laser-induced photoacoustic investigation (pdf)
Nibu A George and Vinayakrishnan R
Lasers in Engineering 11, 283-292
(2001)
Laser induced photoacoustic
technique for the detection of phase transitions in liquid crystals (pdf)
Nibu A George, C P G Vallabhan, V P N Nampoori, A K George and P Radhakrishnan,
Journal
of Nondestructive Testing and Eval.,17(6), 315-324 (2001)
Open-cell
photoacoustic investigation of the thermal effusivity of liquid crystals (pdf)
Nibu A George, C P G Vallabhan, V P N Nampoori, A K George and P Radhakrishnan,
Optical
Engineering, 40(7), 1343-1347 (2001)
Photoacoustic evaluation
of the thermal effusivity in the isotropic phase of certain comb-shaped polymers (pdf)
Nibu A George, C P G Vallabhan, V P N Nampoori, A K George and P Radhakrishnan,
Journal
of Physics: Condensed Matter, 13, 365-371 (2001)
Chemical sensing with
microbent optical fiber (pdf)
Thomas Lee S, Nibu A George, P Sureshkumar, V P N Nampoori, C P G
Vallabhan
and P Radhakrishnan
Optics Letters, 26 (20), 1541-1543 (2001)
Use of photoacoustic
effect for the detection of phase transitions in liquid crystal mixtures (pdf)
Nibu A George, C P G Vallabhan, V P N Nampoori, A K George and P Radhakrishnan,
Journal
of Physics D: Applied Physics, 33, 3228-3232 (2000)
Photoacoustic investigation
of the effect of excess lead oxide on thermal diffusivity of PLZT ceramic (pdf)
Nibu A George, T Paul, P Radhakrishnan, V P N Nampoori, C P G Vallabhan
and M T Sebastian,
Journal of Materials Science Letters, 19, 499-501 (2000)
Physical and optical
properties of phthalocyanine doped inorganic glasses (pdf)
G A Kumar, J Thomas, Nibu George, N V Unnikrishnan, P Radhakrishnan,
V P N Nampoori and C P G Vallabhan,
Journal of Materials Science, 35(10), 2539-2542 (2000)
Optical absorption studies
of free and rare earth phthalocyanine doped borate glasses (pdf)
G
A Kumar, J Thomas, Nibu George, B A Kumar, P Radhakrishnan, V P N Nampoori, C P G Vallabhan and N V Unnikrishnan,
Physics
and Chemistry of Glasses, 41(2), 89-93 (2000)
Spectral studies of
naphthalocyanine (Nc) and rare earth phthalocyanine (RePc) molecules in an inorganic glassy borate matrix
(pdf)
G
A Kumar, J Thomas, Nibu George, V P N Nampoori, P Radhakrishnan, C P G Vallabhan and N V Unnikrishnan,
Physics
and Chemistry of Glasses, 41(4), 199-203 (2000)
Photoacoustic study
on photobleaching of Rhodamine 6G doped in poly methyl methacrylate (pdf)
Nibu A George, B Aneeshkumar, P Radhakrishnan and C P G Vallabhan,
Journal
of Physics D: Applied Physics, 32, 1745-1749 (1999)
Papers presented in International Conferences
3D modelling
of vocal folds dynamics (poster - pdf)
Frits F M de Mul, Nibu George and H K Schutte
Pan European
Voice Conference; (Groningen, The Netherlands) August 29-September 1, 2007
Femtosecond
mid-infrared light source at 4kHz repetition rate (poster - pdf)
Nibu George, G.D. Cringus, M. S. Pshenichnikov and D. A. Wiersma
Atomic
Molecular and Optical Physics Conference; (Lunteren, The Netherlands) November 11-12, 2004
Combined
LDA-Cars Measurements of Velocity-Temperature Correlations in Turbulent Flames
Tummers, M.J., Veen,
E.H. van, Nibu George., Rodink, R., Hanjalic, K,
Third International Symposium on Turbulence and Shear Flow Phenomena;
Proceedings Vol. 3, pp 1013-1018, editors: N. Kasagi et al, (Sendai, Japan) June 25-27, 2003
Measurements of velocity-temperature correlations in a turbulent diffusion flame
Nibu George, R Rodink, E van Veen, M Tummers and K Hanjalic
11th International
Symposium on Applications of Laser Techniques to Fluid Mechanics; (Calouste Gulbenkian Foundation, Lisbon, Portugal)
July 8-11, 2002
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
Passive organic solid-state optical limiter
based on enhanced excited state absorption
B Aneeshkumar, P Gopinath, J Thomas, Nibu
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; (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), Singapore) 29 Nov.-3 Dec. 1999
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
Papers presented in National Conferences
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, India) Mar.23-24,
2001
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 (Defense
Science Centre, New Delhi, India) 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 (Defense Science Centre,
New Delhi, India) Dec 13-15, 2000
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, (CUSAT, Cochin, India), Feb 26-27,
1999
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, (IIT Kanpur, India),
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 and C P G Vallabhan
National Laser
Symposium (IIT Kanpur, India), Dec 14-16, 1998
Ph.D Thesis
Photoacoustic and photothermal deflection studies on
certain selected photonic materials (pdf 1.7MB)
