सीएसआईआर-केंद्रीय काँच एवं सिरामिक अनुसंधान संस्थान

CSIR-Central Glass & Ceramic Research Institute

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সিএসআইআর-কেন্দ্রীয় কাঁচ ও সেরামিক গবেষণা সংস্থা

सीएसआईआर-केंद्रीय काँच एवं सिरामिक अनुसंधान संस्थान

CSIR-Central Glass & Ceramic Research Institute

Scientist's Profile

Scientists ▸ Dr. Somnath Bandyopadhyay
Dr. Somnath Bandyopadhyay

Dr. Somnath Bandyopadhyay

Chief Scientist and Head

Fiber Optics and Photonics Division
Functional Materials & Devices Division
Human Resource

Contact Information:

Phone: (033) 24838083
Fax: +91-33-24730957
E-mail: somnath@cgcri.res.in

Dr. Somnath Bandyopadhyay

Dr. Bandyopadhyay joined CSIR-CGCRI in May, 2002

Professional Career

Institution Position Period
Central Scientific Instruments Organisation Scientist 1998-2002
Central Glass & Ceramic research Institute Scientist 2002-till date


Degree Discipline University; Year
B.Sc. Honours Physics University of Calcutta
M.Sc. Tech. Applied Physics University of Calcutta
Ph.D. (Tech) University of Calcutta

Patents Filed / Granted

  1. “A New Multi-Fibre Optic 2D-Array Device for Sensing and Localising Environment Perturbation using Speckle Image Processing,” US Patent 6,590,194 B2, July 8, 2003
  2. “Device for online monitoring of temperature of high voltage power conductors with fiber optic sensors,” Indian Patent Application Number: 0891DEL2010, Date of filing: 13th of April 2010
  3. “Fiber Bragg grating sensor module to acquire temperature and vibration compensated absolute mechanical strain for online monitoring of current collector of an electric vehicle,” Indian Patent Application No: 201911013439, Date of filing: 3rdApril 2019
  4. “A system for analyzing health of a pipe carrying hot fluid via fiber bragg grating (FBG) sensors,” Indian Patent Application No. :201931012956; Date of filing: 31st March 2019.
  5. “Highly sensitive optical fiber Bragg grating accelerometer for structural health monitoring” Indian Patent Application No.: 202111003501; Date of filing: January 26, 2021. 

Research Interest

  • Application of FBG sensors for structural health monitoring in aerospace and civil engineering application, ultrasonic sensing for damage detection in structure, long period grating sensors with overlay structure for chemical and biological sensing applications, FBG for ultra high temperature application.

Notable Research Contribution

  • Regenerated fiber gratings with ultra high temperature stability
  • Fiber grating based linear filters
  • Gain flattening filters for optical amplifiers
  • Fibre Bragg Grating (FBG) based temperature sensor for high voltage (400KV) power transmission lines.
  • Awarded Monbusho fellowship of JSPS (1998).
  • Awarded C. V. Raman research fellowship of CSIR (2007).

Selected Publications

Summary: In SCI journals: 52, Conference: 35; Books/Monographs: 1 ;
Recent Publications:
  1. “Design of turn-around-point long period fiber grating sensor with Au-nanoparticle self monolayer”, Sankhyabrata Bandyopadhyay, Nandini Basumallick, Sandip Bysakh, Tanoy Kumar Dey, Palas Biswas, Somnath Bandyopadhyay, Optics & Laser Technology, Vol. 102, pp 254 – 261, June 2018.
  2. “Long period fiber grating for biosensing: an improved design methodology to enhance add-layer sensitivity”, Sankhyabrata Bandyopadhyay, Ignacio Del Villar, Nandini Basumallick, Palas Biswas, Tanoy Kumar Dey, Somnath Bandyopadhyay, Journal of Lightwave Technology, Vol. 36, Issue 4, pp. 1178-1184, Feb 2018.
  3. “Design, Fabrication and Characterisation of Over-Coupled Long Period Fibre Grating Coated with Sol-Gel-based Tio2-Sio2Thin Films as High Refractive Index Overlay Towards Bio-Sensing Application”, Palas Biswas, Francesco Chiavaioli, Sunirmal Jana, Nandini Basumallick, Cosimo Trono, Ambra Giannetti, Sara Tombelli, Susanta Bera, Aparajita Mallick, Francesco Baldini, and Somnath Bandyopadhyay, Sensors and Actuators-B Chemical, Volume 253, Pages 418–427, December 2017.
  4. “Realization of Long Period Fiber Grating In Reflection Mode Operating Near Turn Around Point”, Tanoy Kumar Dey, Palas Biswas, Nandini Basumallick, Sankhyabrata Bandyopadhyay, and Somnath Bandyopadhyay, IEEE Sensors, Volume: 17, Issue: 13, pp. 4100 – 4106, July 2017.
  5. “Design of Palladium Coated Long Period Fiber Grating for Hydrogen Sensing”, Nandini Basumallick, Palas Biswas, Richard M. Carter, Robert R. J. Maier, Sankhyabrata Bandyopadhyay, Kamal Dasgupta, and Somnath Bandyopadhyay, Journal of Lightwave Technology, Vol. 34, No. 21, pp. 4912-4919, Nov. 2016.
  6. “Application of strongly overcoupled resonant modes of long-period fiber gratings to measure the adulteration of olive oil”, P Biswas, N Basumallick, K Dasgupta, A Ghosh, S Bandyopadhyay, Applied Optics Vol. 55 (19), pp. 5118-5126. July 2016.

…..full list

: Completed: 1, Ongoing: 4

Last Updated on February 3, 2021