IIT Gandhinagar | Faculty | Electrical Engineering

Arup Lal Chakraborty

Assistant Professor

	B.Tech: University of Kalyani, 2000 Ph.D.: University of Strathclyde, 2010
	Email: arup@iitgn.ac.in Phone: :+91-9328474217

Research Interest

Tunable diode laser spectroscopy for gas parameter measurement
Calibration-free wavelength modulation spectroscopy for recovery of absolute gas absorption line shapes
Fiber-optic sensing

Work Experience

Assistant Professor, Indian Institute of Technology Gandhinagar (2010 – present)
Research Assistant, Department of Electronic and Electrical Engineering, University of Strathclyde, Glasgow, United Kingdom (2007-2010)
Scientific Officer, Fiber Optics Lab, Solid State Lasers Division, Raja Ramanna Centre for Advanced Technology (RRCAT), Department of Atomic Energy, Indore, India (2001-2007)

Selected Recent Publications

Arup Lal Chakraborty, K. Ruxton and W. Johnstone, “Suppression of intensity modulation contributions to signals in second harmonic wavelength modulation spectroscopy”, Optics Letters, Vol. 35, Iss. 14, pp. 2400-2402, 2010
I. Armstrong, W. Johnstone, K. Duffin, M. Lengden, Arup Lal Chakraborty, K. Ruxton, “Detection of CH4 in the Mid-IR using Difference Frequency Generation with Tunable Diode Laser Spectroscopy”, IEEE Journal of Lightwave Technology, Vol. 28, No. 10, pp1435-1442, February 2010
Arup Lal Chakraborty, Keith Ruxton and Walter Johnstone, “Influence of the wavelength-dependence of fiber couplers on the background signal in wavelength modulation spectroscopy with RAM-nulling”, Optics Express, 18(1), pp. 267-280 (2010)
Arup Lal Chakraborty, Keith Ruxton, Walter Johnstone, Michael Lengden and Kevin Duffin, “Elimination of residual amplitude modulation in tunable diode laser wavelength modulation spectroscopy using an optical fiber delay line” , Optics Express, 17(12), pp. 9602-9607 (2009)
Arup Lal Chakraborty, Rakesh Kumar Sharma, Manoj Kumar Saxena, Sanjay Kher, “Compensation for temperature dependence of Stokes signal and dynamic self-calibration of a Raman distributed temperature sensor”, Optics Communications, Vol. 274(2), pp 396-402 (2007)