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Palas Biswas
Scientist

Fiber Optics and Photonics Division

Phone: +91-33-24838083 (Ex. 3285)
FAX: +91-33-24730957
E-mail: palas@cgcri.res.in, & palasb@yahoo.com

B.Sc. (Physics-Hons)- Calcutta University
B.Tech. (Optics & Optoelectronics)- Calcutta University
M.Tech. (Optics & Optoelectronics)- Calcutta University

Mr. Biswas joined CGCRI on 31.01.2006

Research Interest
  • His main activities are focused in the field of Fiber Bragg grating and long period grating for communication, fiber laser and sensor application (civil and strategic areas), designating specialized packaged FBG and low cost FBG sensor interrogation system. He is also having interest towards developing FBG based sensors for acousto-ultrasonic measurement along with development of special grating for ultra-narrow line-width fiber laser

Professional Career
DesignationOrganisationDuration
Project Associate ECE dept, IISc-Bangalore 2000-2001
Senior Design Engineer Celetron India Pvt. Ltd.,Mumbai 2001-2004
Scientist-B C.G. C.R.I, Kolkata-32 2006 onwards

Selected Publications
Summary: In SCI Journals: 06 nos; In Conference Proceedings: 15 nos; In Books/Monographs: 1 ( book Chapter);
Latest Publications:
  1. P. Biswas, S. Bandyopadhyaya,, K. Kesavan, S. Parivallal , B. Arun Sundaram, K. Ravisankar , K. Dasgupta, "Investigation on packages of fiber Bragg grating for use as embeddable strain sensor in concrete structure" Sensors and Actuators -A 157 (2010) 77-83.
  2. Asok Kumar Dikshit, Mrinmay Pal, Palas Biswas, and Shyamal Kumar Bhadra "Efficient Lasing Wavelength Tuning in Distributed Bragg Reflector Fiber Laser Using PZT Macrofiber Composite Actuator" IEEE Journal of Lightwave technology, Vol. 28, No. 12, June 15, 2010.
  3. J. Canning, S. Bandyopadhyay, M. Stevenson, P. Biswas, J. Fenton, M. Aslund, "Regenerated gratings", J. Europ. Opt. Soc. Rap. Public. 09052 Vol 4 (2009)
  4. Somnath Bandyopadhyay, Palas Biswas, Atasi Pal, Shyamal Kumar Bhadra, and Kamal Dasgupta "Empirical Relations for Design of Linear Edge Filters Using Apodized Linearly Chirped Fiber Bragg Grating" IEEE Journal of Lightwave technology, Vol. 26, No. 24, December 15, 2008.
  5. Mrinmay Pal , Somnath Bandyopadhyay, Palas Biswas, Rimlee Debroy, M. C. Paul, Ranjan Sen, Kamal Dasgupta and S. K. Bhadra "Study of gain flatness for multi-channel amplification in single stage EDFA for WDM applications" Opt Quant Electron (2007), 39; 1231-1243.

Patents filed / Granted
International: 1 (Norwegian, applied)
  1. "A device for on-line monitoring of temperature of overhead high voltage power conductors with fibre-optic (fibre Bragg-grating based) sensors", Leif Bjerkan, Tarun Kumar Gangopadhyay, Kamal Dasgupta, Somnath Bandyopadhyay, Palas Biswas, Shyamal Bhadra, and H S Maiti, Norwegian Patent Appln. No. 20091450/ dt.15.04.2009
  2. A device for on-line monitoring of temperature of overhead high voltage power conductors with fibre-optic (fibre Bragg-grating based) sensors", Leif Bjerkan, Tarun Kumar Gangopadhyay, Kamal Dasgupta, Somnath Bandyopadhyay, Palas Biswas, Shyamal Kumar Bhadra, and Himadri Shekar Maiti, NFNo. 0135NF2009/IN, Filing date: 31/08/2009, Indian Patent Appln. No. 0891DEL2010.

Notable Research Contribution
  • Design and developed fibre grating based sensor probes for real time monitoring of overhead high voltage transmission lines.
  • Special writing technique has been developed for grating based Gain Flattening Filter (GFF) in EDFA (Erbium Doped Fibre Amplifier) system for optical communication system.
  • Grating based linear filter has been designed and developed for high speed FBG sensor demodulation application.
  • Fibre Bragg grating based embeddable packaged sensor housing has been developed for strain and temperature measurement in civil concrete structure.
  • Developed an optimized fiber grating sensor device for ultrasonic signal detection along with signal demodulation technique for damage detection of large structure towards targeting for online health monitoring of structure.
  • Developed fiber loop ring down and fiber cavity ring down set-up for biological species, chemical and gas sensor application.


    Updated on: 08-06-2010 22:35 
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