Welcome to my Home Page
Research Interests:
Laser Cooling of neutral atoms, trapping of cold atoms in optical dipole trap and optical lattices, Bose-Einstein Condensation, study of quantum properties of single atom, experimental study of interactions between cold atoms and high Q cavities.
Publications:
In Journals:
1. “A Simple and Inexpensive Electronic Wavelength-meter Using a Dual Output Photodiode”
Sanjukta Roy, Saptarishi Chaudhuri and C. S. Unnikrishnan, Am. J. Phys. 73 (6), June 2005. (Paper)
2. “Realisation of an intense cold Rb atomic beam based on a 2D+ magneto-optical trap: Experiments and comparison with simulations.” Saptarishi Chaudhuri, Sanjukta Roy and C. S. Unnikrishnan, Phys. Rev. A 74, 023406 (2006). (Paper)
3. "Reflection of cold atoms from magnetic thin films: From atom optics to measurement of short-range forces" A. K. Mohapatra, S. Chaudhuri, S. Roy, C. S. Unnikrishnan, Eur. Phys. J. D 42, 287–298 (2007). (Paper)
4. "Studies on Cold Atoms Trapped in a Quasi-Electrostatic Optical Dipole Trap" , Sanjukta Roy, Saptarishi Chaudhuri and C. S. Unnikrishnan, Journal of Physics: Conference Series 80 (2007) 012043. (Paper)
5. "Evaporative Cooling of Atoms to Quantum Degeneracy in an Optical Dipole Trap." Saptarishi Chaudhuri, Sanjukta Roy and C. S. Unnikrishnan, Journal of Physics: Conference Series 80 (2007) 012036. (Paper)
6. "Bose-Einstein Condensation of weakly interacting atoms in an Optical dipole trap", Sanjukta Roy, Saptarishi Chaudhuri and C. S. Unnikrishnan, (Submitted to Journal of Optics)
Books and Conference Proceedings:
7. "Bose-Einstein Condensation in a Quasi-Electrostatic Trap", Saptarishi Chaudhuri, KIRAN (Newsletter of Indian Laser Association), (2008).
8. "Bose-Einstein Condensation of weakly interacting atoms in an Optical dipole trap", Sanjukta Roy, Saptarishi Chaudhuri and C. S. Unnikrishnan, Contemporary Optics and Optoelectronics , Proceedings of XXXIII OSI Symposium on Optics and optoelectronics, Tata McGraw-Hill, New Delhi (2007).
Conference Presentations:
1
. "An intense, cold Rubidium atomic beam based on a 2D+ magneto-optical trap: Experiments, simulation and ultra-fast loading to a 3D-MOT" Saptarishi Chaudhuri, Sanjukta Roy, C. S. Unnikrishnan, Poster presentation, 20th International Conference on Atomic Physics (ICAP), 16-21 July 2006, Innsbruck, Austria.2. "Evaporative cooling to Quantum Degenercy in a Quasi-Electrostatic trap." Summer School on Novel Quantum Phases and Non-Equilibrium phenomenon in Cold atomic gases, Poster Presentation, The Abdus salam International Centre for Theoretical Physics (ICTP), Trieste, Italy, Aug 27-Sept 7, 2007.
3.
"Studies on Cold Atoms Trapped in a Quasi-Electrostatic Optical Dipole Trap",
Sanjukta Roy,
Saptarishi Chaudhuri and C.S.Unnikrishnan, Poster Presentation,
7th
Asian
International
Seminar
on
Atomic and
Molecular
Physics,
4th to 7th December, 2006,
Indian Institute of Technology, Madras (Chennai), India.
4. "Evaporative Cooling of Atoms towards Quantum Degeneracy in an Optical Dipole Trap", Saptarishi Chaudhuri, Sanjukta Roy and C.S.Unnikrishnan, Poster Presentation, 7th Asian International Seminar on Atomic and Molecular Physics, 4th to 7th December, 2006, Indian Institute of Technology, Madras (Chennai), India.
5.
"Measurements on Cold Atoms Trapped in a Quasi-Electrostatic Optical Dipole Trap",
Sanjukta Roy,
Saptarishi Chaudhuri and C.S.Unnikrishnan, Poster Presentation, XVI National
Conference on Atomic and Molecular Physics, Tata
Institute of Fundamental Research, Mumbai,
January 08 - 11, 2007
6. "Evaporative Cooling of rubidium atoms to Quantum Degeneracy in a crossed Optical Dipole Trap", Saptarishi Chaudhuri, Sanjukta Roy and C.S.Unnikrishnan, Poster Presentation, XVI National Conference on Atomic and Molecular Physics, Tata Institute of Fundamental Research, Mumbai, January 08 - 11, 2007
7. “High Efficiency 2D+MOT Source Of Intense Beam Of Cold Rubidium Atoms” Saptarishi Chaudhuri, Sanjukta Roy and C. S. Unnikrishnan, Poster presentation, 2nd International Conference on Current Developments in Atomic, Molecular and Optical Physics with Applications CDAMOP, 2006, Delhi University, India.
3 8. “Design, Construction and Performance of a high flux source of ultra-cold atoms” S. Chaudhuri, S. Roy, C. S. Unnikrishnan, Poster Presentation, XV National Conference on Atomic and Molecular Physics, 2004.
9
. “Reflection of Cold atoms from Magnetic Film” A. K. Mohapatra, S. Chaudhuri, S. Roy, C. S. Unnikrishnan, Poster Presentation, XV National Conference on Atomic and Molecular Physics, 2004.
Address for Correspondence:
B-314, Brahmagupta Bldg,
TIFR Housing Complex, Homi Bhabha Rd,
Colaba, Mumbai-400005, Maharashtra.
e-mail: wrishi@tifr.res.in