I am a physics teacher by profession and have been delivering full-time class lectures since 1996. I am also engaged actively in research. Being with Presidency College since 2002 and with Presidency University since inception as faculty member, I always try to keep a balance between teaching and research. Subjects of my research interest are physics and techniques of remote sensing. During the last two decades, I have also executed the related academic and administrative jobs, such as developing laboratory and curriculum and acting as paper setter, examiner, head examiner and departmental head. Also I have written text books and popular science articles.
B. Sc. Physics (C. U. 1987)
M. Sc. Electronic Science with gold medal (C. U. 1989)
Ph. D. Electronic Science (C. U. 1997)
I spent school life in Bihar and started schooling at Gouranga Pathshala. Subsequent institutions were Railway High School and Sahibganj College. In those days, I.Sc. used to be taught in colleges. I completed graduation from Gurudas College under the University of Calcutta and obtained M Sc and Ph D degrees from Science College, Rajabazar, University of Calcutta. I was recipient of National scholarship on the basis of B Sc result and CSIR-UGC research fellowship on the basis of NET.
I started professional career as lecturer in Government college under West Bengal Educational Service. The first posting was at the College of Textile Technology, Berhampore. Then I was transferred to Presidency College. During my service, the institution got upgraded to University status and I applied for the interview to join there.
At present I am Professor in Physics (w.e.f. 1st Oct.2012) at Presidency University. Along with regular academic & administrative workload, I am actively engaged with research and have conducted several research projects funded by the Government of India, delivered invited talk at international symposium and acted as resource person in teachers’ training courses and UGC sponsored refresher courses.
Research / Administrative Experience+
Remote sensing, my favourite subject of research is the science and technology of detecting the electromagnetic radiation emitted, absorbed, transmitted and reflected by earth surface and atmosphere from far distance, such as aircraft and artificial satellite and acquiring information on natural resources, environment and human activity. It is a wide field of work incorporating conventional and interdisciplinary subject areas.
I have initiated research on the physics and methodology of remote sensing in my department almost 15 years ago, conducted several Govt. funded research projects and have been able to publish several research papers in reputed journals with single/prime authorship. Utilizing the project funds, I established a research laboratory where a Ph D has been produced and a post-doctoral work is going on. The existing research facilities comprise spectroscopic studies in ultraviolet-visible-infrared wavelength range and satellite image analysis. A good collection of books and study materials are available.
My present interest is on the remote sensing of atmospheric carbon dioxide and other greenhouse gases. I have got the opportunity to collaborate with Space Applications Centre, Indian Space Research Organization and by virtue of the collaboration have got access to their valuable remote sensing database procured by airborne sensor AVIRIS-NG flown for the first time in India.
Reviewer of journals:
· IEEE Transactions on Geoscience and Remote Sensing
· IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
· IEEE Photonics Technology Letters
· International Journal of Remote Sensing
· Remote Sensing Letters
Teaching / Other Experience+
The major portion of my teaching life of more than two decades has been spent in Presidency University (formerly Presidency College) with engagement of UG and PG classes covering a wide range of levels including B.Sc. Pass/ED/GenEd, Honours/Major, M.Sc. General and Special/Advanced papers of both theoretical and practical classes. Each one has its own importance and no one is less significant. Depending on the nature of the class, different strategies are followed in delivering lectures. Some of the students grow interest in higher studies and join research institutes for pursuing research work. Looking towards them, I suggest interpreting the scope for further studies and future prospects of the topics allotted. Discussion on model questions for competitive examinations and conducting project work are encouraged. A significant number of students go to teaching professions in schools and colleges. Thinking of such students, I raise in the class some topics on background knowledge and history of science.
Professional & Co-curricular Activities
- Held the post of Head, Department of Physics from 28 Aug.15 to 29 Jun.19..
- Active participant of curriculum development, paper setting and examination processes.
- Acted as Head Examiner of the University of Calcutta for consecutive 3 years (2009-11).
- Carried out a number of UG & PG-level projects with students.
- Conducted NSS (National Service Scheme) social welfare activities of Presidency University students as Programme Coordinator for more than four years (2014-18) starting from the very beginning of the independent NSS activities of the University.
Post Graduate Supervision+
A research scholar has obtained Ph. D. degree (2010) from the University of Calcutta under my supervision.
A research associate has completed post-doctoral work (Oct. 2017-Oct.2019) with DST-SERB National Post-Doctoral Fellowship under my mentorship.
I am Senior Member of IEEE, Life member of Indian Society of Remote Sensing, Indian Statistical Institute and The Asiatic Society.
I held the post of Vice-Chairman of IEEE Geoscience and Remote Sensing Society Kolkata Chapter for two years and am still in the executive committee of the same.
A. Patent at Government Expense
Indian Patent Application No. 482/KOL/2013 of 29.04.2013
Applicant: Presidency University, Inventor: Barun RayChaudhuri
Title of the Invention: “Bidirectional wavelength division multiplexing system and method thereof”
B. Journal Papers:
1. Raychaudhuri, B. (2017). Spatial distribution of atmospheric CO2 absorption detected around 2 μm on the reflectance spectra derived from Hyperion images, International Journal of Remote Sensing, 38, pp. 3415-3429.
2. Raychaudhuri, B., and S. Chaurasia (2017). Ground-based hyperspectral measurement at visible-infrared wavelengths for validation of the atmospheric carbon dioxide absorption wavebands in the context of AVIRIS-NG flight over Kolkata-Howrah, Journal of Geomatics, 11, pp. 167-173.
3. Raychaudhuri, B. (2016). Imaging Spectroscopy: Origin and future trends, Applied Spectroscopy Reviews, 51, pp. 23–35.
4. Raychaudhuri, B. (2014). Solar-induced fluorescence of terrestrial chlorophyll derived from the O2-A band of Hyperion hyperspectral images, Remote Sensing Letters, 5, pp. 941–950.
5. Raychaudhuri, B. (2012). Remote sensing of solar induced chlorophyll fluorescence at atmospheric oxygen absorption band around 760 nm and simulation of that absorption in laboratory. IEEE Transactions on Geoscience and Remote Sensing, vol. 50, pp. 3908–3914.
6. Raychaudhuri, B. (2012). Synthesis of mixed pixel hyperspectral signatures. International Journal of Remote Sensing, 33, pp. 1954–1966.
7. Raychaudhuri, B. (2011). On the determination of the emission wavelength of an infrared LED with common laboratory instruments. European Journal of Physics, 32, pp. 935–945.
8. Raychaudhuri, B. (2010). Prototype neural network hardware with analog electronic circuit. Indian Journal of Physics, 84, pp. 1435–1440.
9. Raychaudhuri, B., and C. Sen (2009). Light emitting diode as sensor for miniature multispectral radiometer. Applied Physics B, 95, pp. 141–144.
10. Raychaudhuri, B., and S. Bhattacharyya(Bhaumik) (2008). Molecular level all-optical logic with chlorophyll absorption spectrum and polarization sensitivity. Applied Physics B, 91, pp. 545–550.
11. Raychaudhuri, B., J. Adhikari and S. Bhaumik (2008). Multispectral and hyperspectral analysis and Modeling of the absorbance characteristics of marine algal pigments. International Journal of Remote Sensing, 29, pp. 787–799.
12. Raychaudhuri, B. (2008). A century with electronics. Journal of the Asiatic Society, L(2) 87–100. (an article on history of science)
C. Proceedings of International Conference:
1. Raychaudhuri, B., S. Chaurasia, and S. Roy (2019) Spatial variation of atmospheric carbon dioxide concentration retrieved from AVIRIS-NG images including water vapor correction and spectroradiometric validation for two urban places of India, Proceedings of SPIE 11152, Remote Sensing of Clouds and the Atmosphere XXIV, 111520E (9 October 2019); doi: 10.1117/12.2532027. International symposium held during 9–12 September 2019 in Strasbourg, France.
2. Raychaudhuri, B. (2017). Solar-induced fluorescence retrieved from AVIRIS images of urban areas of Kolkata and Howrah in India, Proceedings of International Symposium on Remote Sensing 2017, pp. 305–308. Held at Nagoya, Japan during 17–19 May, 2017.
3. Raychaudhuri, B. (2016). Use of IRS-P4 Ocean Color Monitor (OCM) images for tracing the red edge of the terrestrial vegetation reflectance spectrum, Proceedings of the IOP Conf. Series: Earth and Environmental Science 34 (2016). [International conference at Halifax, Canada during October 5–9, 2015] doi:10.1088/1755-1315/34/1/012029.
4. Raychaudhuri, B. (2013). Remote sensing of atmospheric nanoparticles and effect of wavelength on the size estimation. Proceedings of the IEEE international conference “ICE-CCN’13” March25–26, 2013, Infant Jesus College of Engineering and Technology, Tuticorin, India, IEEE Catalog No. CFP13IIN-ART, pp. 104–108, 2013 (ISBN 978-1-4673-5036-5)
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