User:Abhijitchakravarty

Abhijit Chakravarty received his Bachelor of Technology degree in electronics and telecommunication from the Institute of Engineering and Management, India, 2000. He worked as a network engineer from 2000 to 2002 in HCL, India. In 2002 he joined the Florida Institute of Technology for his MS in electrical engineering and worked as a research assistant in the optronics laboratory.In 2005 he received his MS in electrical engineering.He has worked at BEAM Company,Orlando, Florida, as a research scientist on nonlinear optics of liquid crystals. Currently he is pursuing his PhD degree in electrical engineering and working on optical communication and sensor projects.

Society member

SPIE Member, IEEE member, LEOS member.

Research Interests

Fiber optics communication and sensor, Semiconductor based wireless optical sensor, Semiconductor characterization (specially SiC, Si, Germanium, GaAs, InP), Photo lithography, Wireless Communication, Laser doping, laser-microstructuring (Nd: YAG Laser), Thin film coating and optical fabrication methods, Design and device implementation of diode pumped solid state lsers, Q-switching, Mode locking etc.

Publications

1)	S. Murshid and A. Chakravarty, Experimental results from co-propagating analog channels of same wavelength over 600 meter long standard step index multimode fiber, Journal of Optical Engineering, vol 47, Issue 10, pp. 1005002(1)-1005002(4), 2008.

2)	A. Chakravarty, N. Quick, A. Kar, ‘Decoupling of silicon carbide optical sensor response for temperature and pressure measurements’,Journal of Applied Physics, Vol 102, Issue 7, pp.073111, 2007.

3)	Nicolas Cherroret, Abhijit Chakravarty, and Aravinda Kar,'Temperature-dependent refractive index of semiconductors',Journal of Material Scinece, Vol 43, Issue 6, pp.1795-1801, 2008.

4)	A.Chakravarty, N. Quick, A. Kar, ‘ Wireless optical sensor for smart thin film coating’.Advanced coating material and technology, Pennstate University, 2006.

5)	A.Chakravarty, N. Quick, A. Kar, ‘ SiC Based Wireless Optical Sensor for Combustion Chemical Species',Industrial affiliates, CREOL & FPCE, UCF,2005.

6)	A.Chakravarty, S. Bet, N. Quick, A. Kar, Laser Doping of Wide Bandgap Semiconductors: Fabrication of Laser Diodes and Wireless Optical Sensors, (Industrial affiliates, CREOL & FPCE, UCF, ,pp. 16, issue 11,2006).

7)	A.Chakravarty‘ Application of laser metallization and doping to improve the accuracy of silicon carbide based wireless optical temperature and pressure sensor’. (Submitted to Journal of Material Science2007).

8)	S. Murshid, A. Chakravarty, R. Biswas, Simultaneous transmission of two channels operating at the same wavelength in standard multimode fibers, JWA 107, Proceedings of The Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, May 4-9, 2008.

9)	S. Murshid, A. Chakravarty, R. Biswas, Spatially Multiplexed Beam Combining and Beam Separator Modules for Optical Communication Bandwidth Enhancement, WOC 621-133, Proceedings of The Eighth IASTED International Conferences on Wireless and Optical Communications (WOC 2008), Quebec City, Canada, May 26-28, 2008.

10)	S. Murshid and A. Chakravarty, R. Biswas,and Ebad Zahir,"Co-propagation of six spatially separated helical channels over a single strand of standard plastic optical fibers using spatial domain multiplexing", Proceedings of The 17th International Conference on Plastic Optical Fibers, (POF), August 25 - 28, Santa Clara, CA, Aug. 2008 IEEE, Piscataway, NJ (2008).

11)	A. Chakravarty, "Crystalline Silicon based remote optical sensor for temperature measurement",Proceedings of The 17th International Conference on Plastic Optical Fibers, (POF), August 25 - 28, Santa Clara, CA, Aug. 2008 IEEE, Piscataway, NJ (2008).

12)	A. Chakravarty, "Gallium Arsenide Based Wireless Optical Sensor for High Temperature Measurement", Proceedings of The 17th International Conference on Plastic Optical Fibers, (POF), August 25 - 28, Santa Clara, CA, Aug. 2008 IEEE, Piscataway, NJ (2008).

13)	A. Chakravarty and R. Biswas, “Optical Fiber Based Extrinsic Fabry-Perot Interferometric Sensor for Temperature Measurement”, Proceedings of The 17th International Conference on Plastic Optical Fibers, (POF), August 25 - 28, Santa Clara, CA, Aug. 2008 IEEE, Piscataway, NJ (2008).

14)	R. Biswas and A. Chakravarty, “Liquid Level Detection Sensor Using Plastic Optical Fiber”, Proceedings of The 17th International Conference on Plastic Optical Fibers, (POF), August 25 - 28, Santa Clara, CA, Aug. 2008 IEEE, Piscataway, NJ (2008).

15)	S. Murshid, A. Chakravarty, R. Biswas, "Beam Profile of Two Simultaneously Propagating Channels of Same Wavelength in Step Index Multimode Fibers", Proceedings at Frontiers in Optics (FiO) 2008/Laser Science XXIV (LS) Conf. FiO/LS, October 2008, Rochester,New York, Laurin Publishing, Pittsfield, MA, 2008.