CSIR-Central Glass & Ceramic Research Institute
(A Unit of Council of Scientific and Industrial Research)

सीएसआईआर-केंद्रीय कांच और सिरेमिक अनुसंधान संस्थान
(वैज्ञानिक और औद्योगिक अनुसंधान परिषद की एक इकाई)
  
  
 
Dr. Tarun Kumar Gangopadhyay
Senior Principal Scientist

Fiber Optics and Photonics Division
and Head (Computer Section)

Phone: (033) 24838083 (Office Ex. 3274)
Mobile: +91-9433701562, 8013001562
FAX: +91-33-24730957
E-mail: tkg@cgcri.res.in, tkgee@hotmail.com

B.E.E. (Electrical Engineering), Jadavpur University, Calcutta (Kolkata)
M.E.E. (Electrical Engineering), Jadavpur University, Calcutta (Kolkata)
Ph.D. (Engineering), The University of Sydney, Australia



Dr. Gangopadhyay joined CGCRI on 1st August 1983

Research Interest
  • Optical Fibre Sensor & Fibre optics with special interest on development of sensor technology for the detection of chemical species in liquid/ gas phase using fibre-loop resonators / FBG based resonators, development of chemical sensors using Microstructure Optical Fibre (MOF) for detection of chemical species, biomedical sensors, packaging of fibre-sensors and characterization.

Professional Career
DesignationsOrganisationDuration
Senior Principal Scientist CSIR-CGCRI Since July 2013

Awards/Recognition
  • A Doctoral Scholarship (3rd. Jan. 1995 to 23rd. Sept 1999) in the School of Electrical and Information Engineering, The University of Sydney, sponsored by Australian Agency for International Development (AusAID). This scholarship is for commonwealth countries and selected through Department of Education, Ministry of Human Resources, New Delhi, India.
  • Norman I Price Scholarship of the School of Electrical and Information Engineering, The University of Sydney, Australia for four consecutive years 1995, 1996, 1997, 1998.
  • ABB Sponsored Postgraduate Student Prize, (Best project & presentation in Australian Photonics -1998) organised by the Australian Photonics CRC and ATP, Australia.
  • Postgraduate Research Student Prize (Productive Industry Collaboration Research) -1998, for the best research work of the year & presentation in the School of Electrical and Information Engineering, The University of Sydney, Australia.
  • AWA Plessey Research Student Prize (Industry Collaborative Research) -1997, for the best research work of the year & presentation in the School of Electrical and Information Engineering, The University of Sydney, Australia.
  • Awarded one year honorarium membership of American Association for the Advancement of Science (AAAS) in 1998.
  • Awarded Senior Membership of Optical Society of America in 2010.

Selected Publications
Summary: Journals: 20 Nos.; Other (Indian) Journals: 4 Nos.; In Conference Proceedings: 23 Nos;
Selected Publications: SCI Journal papers
  1. Tarun Kumar Gangopadhyay, Antonio Giorgini, Arindam Halder, M. Pal, M. C. Paul, Saverio Avino and Gianluca Gagliardi, “Spectroscopic detection of Bio Chemicals using a novel Fiber-optic Sensor Element built in Fiber Loop Ring-Resonator”, Sensors and Actuators -B: Chemical, Vol. 206, pp.327-335, (2015), http://dx.doi.org/10.1016/j.snb.2014.09.024.
  2. Linslal C L, Syam Mohan P M, Arindam Halder, Tarun Kumar Gangopadhyay, “Analysis and Modeling of an Optical Fiber Loop Resonator and an Evanescent Field Absorption Sensor for the Application for Chemical Detection”, Sensors and Actuators A: Physical, Volume 194, 1 May 2013 , Pages 160-168, http://dx.doi.org/10.1016/j.sna.2013.01.021.
  3. Linslal C L, Syam Mohan P M, Arindam Halder, Tarun Kumar Gangopadhyay, “Eigen Value Equation and Core-Mode Cut-off of Weakly Guiding Tapered Fiber as Three Layer Optical Waveguide and used as Biochemical Sensor”, Applied Optics, Vol.51, No.16, pp.3445-52, (2012), http://dx.doi.org/10.1364/AO.51.003445.
  4. Tarun K. Gangopadhyay, A. Halder, S. Das, M. C. Paul, M. Pal, M. Salza and G. Gagliardi, “Fabrication of tapered single mode fiber by chemical etching and used as chemical sensor based on evanescent field absorption”, Proceedings of SPIE Vol. 8173, 817321 (2011), http://dx.doi.org/10.1117/12.899603.
  5. Gianluca Gagliardi, Mario Salza, Pietro Ferraro, Edmond Chehura, Ralph P. Tatam, Tarun K. Gangopadhyay, Nicholas Ballard, Daniel Paz-Soldan, Jack A. Barnes, Hans-Peter Loock, Timothy T.-Y. Lam, Jong H. Chow and Paolo De Natale, “Optical Fiber Sensing Based on Reflection Laser Spectroscopy”, Sensors 2010, 10, pp.1823-1845; (ISSN 1424-8220), http://dx.doi.org/10.3390/s100301823.
  6. Tarun K. Gangopadhyay, Mukul C. Paul, and Leif Bjerkan, “Fiber-optic sensor for real-time monitoring of temperature on high voltage (400KV) power transmission lines”, Proceeding of SPIE Vol.75034M-1-4, The 20th International Conference on optical fibre Sensor (OFS-20), Edinburgh, Heriot-Watt University, UK, 5-9 October 2009, http://dx.doi.org/10.1117/12.835447.
  7. Tarun K. Gangopadhyay, M. Majumder, A.K. Chakraborty, A.K. Dikshit and D.K. Bhattacharya, “Fibre Bragg Grating strain sensor and study of its packaging material for use in critical analysis on steel structure”, Sensors and Actuators A: Physical, 150 (2009), pp-78-86, http://dx.doi.org/10.1016/j.sna.2008.12.017.
  8. M. Majumder, Tarun K. Gangopadhyay, A.K. Chakraborty, K. Dasgupta and D.K. Bhattacharya, “Fibre Bragg Gratings as Strain Sensors- Present Status and Applications”, Sensors and Actuators A: Physical, 147 (2008), pp-150-164, http://dx.doi.org/10.1016/j.sna.2008.04.008.
  9. Tarun Kumar Gangopadhyay, Sivaji Chakravorti, Kesab Bhattacharya and Saibal Chatterjee, “Time-Frequency Analysis of Complex and Multi Fringe Signals obtained using Fibre optic Sensors”, J. Lightwave Technol (JLT), Vol.24, (2006), pp. 2122.
  10. Tarun Kumar Gangopadhyay, Sivaji Chakravorti, et al "Wavelet analysis of optical signal extracted from a non-contact fibre-optic vibration sensor using extrinsic Fabry-Perot interferometer”, Measurement Science and Technology, Institute of Physics Publishing, UK, Vol.16, (2005), pp. 1075-1082.
  11. Tarun Kumar Gangopadhyay, K. Dasgupta, et al, "Modeling and analysis of an extrinsic Fabry-Perot interferometer cavity used for fiber-optic vibration sensor", Applied Optics, OSA, Vol. 44, No. 16, (1 June 2005), pp.3192-3196.
  12. Tarun Kumar Gangopadhyay, “Prospects for fiber Bragg gratings and Fabry-Perot interferometers in fiber-optic vibration sensing”, Sensors & Actuators: A. Physical, Vol. 113, Issue 1 May 2004, pp.20-38.
  13. Tarun Kumar Gangopadhyay, “Non-contact vibration measurement based on extrinsic Fabry-Perot interferometer implemented using arrays of single-mode fibres”, Measurement Science and Technology, Institute of Physics Publishing (IOP), Bristol, UK, Vol. 15, issue 5, May 2004, pp. 911 917.
  14. Tarun Kumar Gangopadhyay and Philip James Henderson, “Vibration :history and measurement with an extrinsic Fabry-Perot Sensor with solid-state laser Interferometry”, Applied Optics, Optical Society of America, Vol. 36, No. 12, 20 April, 1999, pp. 2471 2477.
  15. Tarun Kumar Gangopadhyay and Philip James Henderson, “Prospects for Speckle-Pattern Based Vibration Sensing in Electromechanical Equipment”, Measurement Science and Technology, IOP, Bristol, Vol.10, Issue 9, Sept, 1999, pp.129-138.
  16. Tarun Kumar Gangopadhyay, Philip James Henderson and Anthony David Stokes, “Vibration Monitoring using a Dynamic Proximity Sensor with Interferometric Encoding”, Applied Optics, Optical Society of America, Vol. 36, No. 22, 1 August, 1997, pp. 5557 5561.
  17. S.K. Bhadra, M.C. Paul, S. Bandyopadhyay, M. Pal, T. Gangopadhyay, R. Sen, K. Dasgupta and H.S. Maiti, “Optical Fibre: Science, Technology and Evolution", Science and Culture, Indian Science News Association, Vol.71, NO. 5-6, May-June, 2005, pp. 116-130.

Patents filed / Granted
Indian: 2 Nos;
  1. "An equipment for the manufacturing of thin multifilament fused quartz fibre strands and a process thereof", S.K. Bhadra, S. Chakraborti, T.K. Bandyopadhyay, K.K. Phani, N.R. Bose, K. Dasgupta, R. Sen, M.C.Paul, M.Pal, T.K. Gangopadhyay, and P.P.Giri, Indian Patent, NF-165/2001 Dt.14.3.2001
  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.
International: 1Nos
  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.

Notable Research Contribution
  • Recently developed optical fibre-ring loop resonators to study cavity ring-down spectroscopy of species/chemicals.
  • Recently developed side-polished fibre up to 57micron polishing.
  • Recently developed coupler with low power ratio (99.5:0.5%).
  • Developed Fibre Bragg Grating (FBG) based temperature sensor and special packaging for monitoring conductor temperature of high voltage (400KV) power transmission lines in POWERGRID substation.
  • Developed FBG based strain sensor and special packaging for structural health monitoring.
  • Developed a Fabry-Perot sensor system for vibration measurement of electrical switch gear (PhD project).
  • Developed fibre-optic components such as 3dB coupler, different power ratio couplers (60:40%, 70:30, 80:20, 90:10, 95:5 etc.).
  • Developed special skill to fabricate WDMs (coupler) for different wavelengths such as 1550:1310nm, 980:1550nm etc.
  • Developed some biconical taper fibres for sensor application.


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