Abhijit Das

Abhijit Das

Assistant Professor

MSc (Gauhati) PhD (IITG)

Lasers & Spectroscopy

Department of Physics
Gauhati University, Guwahati, 781014
Email:- abhijitdas@gauhati.ac.in

Ph.D., 2014, Dept. of Physics, IIT Guwahati

M. Sc. in Physics, 2008, Gauhati University

B. Sc. in Physics, 2006, M. C. College, Barpeta

CSIR NET (LS), JRF, 2009, 2010

GATE 2009 PHYSICS


Odd Semester (August-December)

  • Mathematical Physics in M.Sc. 1st Semester
  • Atomic Physics in M.Sc. 3rd Semester
  • Laboratory in M.Sc. 1st and 3rd Semester
Even Semester (January-June)
  • Atomic Physics in M.Sc. 2nd Semester
  • Non Ionizing Radiation in M.Sc. Radiological Physics 2nd Semester
  • Laboratory in M.Sc. 2nd Semester

 

Computer Generated Holography

Confocal Microscopy

Light Sheet Microscopy  

Ongoing Project:  Design and implementation of scanned light sheet microscope with spatial light modulator based beam scanning

 Funded by- SERB, DST

Amount- 50.84 Lakh

 

 

Journal Publications 

1. Abhijit Das and B. R. Boruah, "Laser beam scanning using a ferroelectric liquid crystal spatial light modulator ", Review of Scientific Instruments85 046103 (2014)

2. Dhirendra Kumar, Abhijit Das and B. R. Boruah, " A simple experimental arrangement to generate optical vortex beams ", Review of Scientific Instruments84 026103 (2013)

3. Abhijit Das and B. R. Boruah, " Beam deflection by an aperiodic binary diffraction grating ", Journal of Optics (IOP) : 15(025709) (2013)

4. B. R. Boruah and Abhijit Das, " A zonal wavefront sensor with reduced number of rows in the detector array ", Applied Optics :50(20) 3598-3603 (2011)

5. Abhijit Das and B. R. Boruah, " Optical sectioning microscope with a binary hologram based beam scanning", Review of Scientific Instruments : 82 043702 (2011)

 

Conference Proceedings

1. Samuzal Barua, Swarnav Buragohain, and Abhijit Das, "Generation of vortex beam and its interference with a Gaussian Beam using Michelson Interferometer ", 13th International Conference on Fiber Optics and Photonics  OSA Technical Digest, Optical Society of America, 2016

2. Abhijit Das, and Bosanta R. Boruah, "Dynamic control of illumination beam phase profile in a scanning optical microscope "Proceedings of SPIE : 8797 87970K, 2013

3. Biswajit Pathak, Abhijit Das, and Bosanta R. Boruah, "High-speed zonal wavefront sensing " Proceedings of SPIE : 8557 85570A, 2012

4. Abhijit Das and B. R. Boruah, "Point Scanning Microscope with Adaptive Illumination Beam Intensity", AIP Conf. Proc. Volume 1391, pp. 324-326, 2011

5. B. R. Boruah and Abhijit Das, " Wavefront sensing with a flexible detector geometry using an array of binary holograms," Digital Holography and Three-Dimensional Imaging, OSA Techinal Digest , Optical Society of America, 2011

 

Conference Presentations

1. ICAOP2017, November 23-26, 2017, Abhijit Das and Swarnav Buragohain, "Interference of two vortex beams using Michelson Interferometer".

2. 13th International conference on Fiber Optics and Photonics, December 4-8, 2016, Samuzal Barua, Swarnav Buragohain, and Abhijit Das, "Generation of vortex beam and its interference with a Gaussian Beam using Michelson Interferometer ".

3. European conferences on Biomedical Optics, May 12-16, 2013, Abhijit Das and B. R. Boruah, “Dynamic Control of Illumination Beam Phase Profile in a Scanning Optical Microscope”.

 4. Focus on Microscopy, Singapore, April 1-4, 2012, Abhijit Das and B. R. Boruah, "Scanning optical microscope with programmable illumination beam intensity".

5. XXXVI OSI SYMPOSIUM on Frontiers in Optics and Photonics (FOP11), IIT Deihi, New Delhi, India, December 3-5, 2011, Abhijit Das and B. R. Boruah, “Binary Hologram based beam scanning with equal step beam size”.

6. XXXVI OSI SYMPOSIUM on Frontiers in Optics and Photonics (FOP11), IIT Deihi, New Delhi, India, December 3-5, 2011, Abhijit Das and B. R. Boruah, “Scanning optical microscope with enhanced signal to noise ratio performance”.

7. OPTICS’11: NIT Calicut, Kerala, India, May 23-25, 2011, Abhijit Das and B. R. Boruah “Point Scanning Microscope with Adaptive Illumination Beam Intensity”.

8. XXXV Optical Society of India Symposium and International Conference on Contemporary Trends in Optics and Optoelectronics, India, January 17-19, 2011, B. R. Boruah and Abhijit Das, "Zonal wavefront sensing with a flexible detector geometry".

9. DAE-BRNS National Laser Symposium (NLS-19), RRCAT Indore, India, December 1-4, 2010, Abhijit Das and B. R. Boruah, “Laser Scanning Reflected Light Microscope using Holographic Scanning”.

 

School/Seminar/Workshop attended 

1. 2nd National Workshop on Medical Image Processing, IASST, 8-9 March, 2017.

2. Orientation Program, Academic Staff College, Gauhati University December 2014.

3. Introductory workshop on optical microscopy, IIT Guwahati, 16-17 June, 2011

4. Computational Technique in Physics, IIT Guwahati, 1-6 Augast,  2011.