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DETAILS OF PUBLICATIONS/ CONFERENCE PAPERS

REFEREED JOURNALS

  1. A. Vijayakumar and S. Bhattacharya, "Characterization and correction of spherical aberration due to glass substrate in the design and fabrication of Fresnel zone lenses", Appl. Opt., 52, No. 24, 5932-5940, (2013)

  2. R. Prashanth and Shanti Bhattacharya, "Improvements in speckle tracking algorithms for vibrational analysis using optical coherence tomography," Journal of Biomedical Optics 18(4), 046007 (April 2013)

  3. A.Vijayakumar and Shanti Bhattacharya, "Design, Fabrication and Evaluation of a Multilevel Spiral Phase Fresnel Zone Plate for Optical Trapping," Appl. Opt., 51, 6038-6044 (2012)

  4. M. Lai, G. Sridharan, G. Parish, S. Bhattacharya and A. Keating, "Multilayer porous silicon diffraction gratings operating in the infrared," Nanoscale Research Lett., 7:645 DOI: 10.1186/1556-276X-7-645 (2012)

  5. A.Vijayakumar and Shanti Bhattacharya, "Phase shifted Fresnel Axicon", Opt. Lett., 37, pp.1980-1982 (2012) (This paper was also listed in the Virtual Journal of Biomedical Optics)

("Phase shifted Fresnel axicon: erratum", Optics Letters, Vol. 38, Issue 4, pp. 458-458 (February 2013))

  1. A. Kulkarni, G Lakshminarayan, S. Bhattacharya and Anil Prabhakar, "All fibre interferometry: Control and error analysis," Appl. Optics, 50, 4450 4456 (2011)

  2. Deepak K Agrawal and Shanti Bhattacharya, "Integrated Optical and MEMS based Design Process for a Variable Optical Attenuator," Opt. And Lasers in Engg., 49, 848-854 (2011)

  3. K. A. G. Prakash, S. Dhabai, E. Bhattacharya and S. Bhattacharya, "Design and Fabrication of a Micro-mirror for Low Resolution Spectroscopy," IEEE Sensors, 11, 1019-1025 (2011)

  4. Khansa C.A, Shanti Bhattacharya, Anil Prabhakar, "Multiwavelength Erbium Doped Fiber Ring Lasers," Opt. Commun, 282, 2380-2387, (2009)

  5. S. Bhattacharya, "Simplified Mesh Techniques for Design of Beam Shaping Diffractive Optical Elements," Optik, 119, 321-328, (2008)

  6. S. Bhattacharya and A. Hartzell, 'Optical microelectromechanical systems: designing for reliability, J. Micro/Nanolith. MEMS MOEMS, 6, 033010 (2007)

  7. S. Stankovic, D.Dias, M.Hain, S. Bhattacharya, R. Glöckner, C. Karaboue, L. Benmohammadi, F. Guessous, T. Tschudi, M. Ferstl, E. Pawlowski, R. Steingrüber, B. Kuhlow, L. L. Wang: "Integrated optical pickup system for axial dual focus", Appl. Optics, 40, 614-621 (2001).

  8. M. Hain, R. Glöckner, S. Bhattacharya, D. Dias, S. Stankovic, T. Tschudi, "Fast switching liquid crystal lenses for a dual focus digital versatile disc pickup", Opt. Comm., 188, 291-299 (2001).

  9. S. Bhattacharya, L.L. Wang, T. Tschudi, R. S. Sirohi, Optical perfect shuffle using diffractive optical elements, Optik, 110, 233-237 (1999)

  10. S. Bhattacharya, V. V. Rao and R. S. Sirohi, Phase checker grating as an array illuminator, Optik, 106,15-18 (1997).

  11. S. Bhattacharya and R. S. Sirohi, Ronchi to 2-D amplitude checker grating and its application to array generation, Appl. Opt., 36, 3745-3752 (1997).

  12. J. S. Darlin, P. Senthilkumaran, S. Bhattacharya, M. P. Kothiyal and R. S. Sirohi, Fabrication of array illuminator using Michelson interferometers in tandem, Opt. Commun., 123, 1-4 (1996).

  13. S. Bhattacharya, V. V. Rao and R. S. Sirohi, Array generators: A Review, J. of Optics, India, 25, 203-221 (1996).

  14. S. Bhattacharya, J. S. Darlin, P. Senthilkumaran, M. P. Kothiyal and R. S. Sirohi, Holographic array illuminator using Michelson interferometers in tandem: Fabrication and analysis, J. Mod. Opt., 42, 2275-2283 (1995).


Papers Submitted:

  1. A. Vijayakumar and Shanti Bhattacharya, "Fresnel Zone Lens with Ring Focus", Submitted to Optics Letters, August 2013

  2. Suresh G. Vesalapu, Nandita DasGupta and Shanti Bhattacharya, "Digitally Tunable MOEMS Diffraction Gratings," submitted to J. Micro/Nanolith. MEMS MOEMS, September 2013




NATIONAL CONFERENCES


  1. Invited talk: Shanti Bhattacharya, "An Introduction to Fibre Interferometry," National Conference on Nanophotonic materials, Department of Physics, CUSAT, Cochin, October 2008

  2. A. Suresh and S. Bhattacharya, "Design of a Hybrid Eyepiece for a See-through Head Mounted Display," Optical Society of India Symposium, December, Tezpur University, Assam, 2007

  3. A. Suresh and S. Bhattacharya, "Design and comparison of refractive and hybrid eyepieces" Conf. Proc. of the National Conference on Recent Trends in Optoelectronics and Laser Technology, Trivandrum, 9-11 April, 2007

  4. C. A. Khansa, S. Bhattacharya and A. Prabhakar, Four wavelength Erbium Doped Fibre Laser, Nat. Conf. On recent trends in Optoelectronics and Lasers, Trivandrum, 9-11 April, 2007

  5. S. Bhattacharya, V.V.Rao and R.S.Sirohi, Holographic array illuminators in partially coherent light, National Symposium of the Optical Society of India, IRDE, Dehra Dun, March 14-16th, 1996.

  6. S. Bhattacharya, V.V.Rao and R.S.Sirohi, Array generation using checker gratings and the Talbot effect, National Laser Symposium, BARC, Bombay, January, 17-19th, 1996.

  7. S. Bhattacharya and R.S.Sirohi, Array generators, (Invited Talk), National Laser Symposium, BARC, Bombay, January, 17-19th, 1996.

  8. S. Bhattacharya, J.S.Darlin, P.Senthilkumaran, M.P.Kothiyal and R.S.Sirohi, Study of interferometric array generators with different levels of phase modulation, National Symposium of the Optical Society of India, CSIO, Chandigarh, March 29-31st, 1995.

  9. S. Bhattacharya, V.V.Rao and R.S.Sirohi, Optical processes in holographic materials, One day seminar on "Optical processes in materials", Physics Department, IIT, Madras, September 5th, 1994.

  10. S. Bhattacharya, V.V.Rao and R.S.Sirohi, A comparative study of processing techniques used to record high efficiency holo-optical elements, National Symposium of the Optical Society of India, IIT, Madras, February 10-12th, 1994.



INTERNATIONAL CONFERENCES

  1. V. Pramitha, A. Vijayakumar, Shanti Bhattacharya, "Fabrication of multilevel spiral phase plates by focused ion beam milling," Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 87691S (June 22, 2013); doi:10.1117/12.2021061

  2. Suresh V. G., S. Bhattacharya, N. Dasgupta, "Tunable MEMS diffraction gratings with improved displacement profile of the fixed-fixed beams," Paper 8616-28, MOEMS and Miniaturized Systems XII, SPIE Photonics West, San Francisco (2013)

  3. Gayathri Sridharan, V Pramitha, Shanti Bhattacharya, "Design and Fabrication of Lower Aspect Ratio Sub- wavelength Grating for Polarization Separation," International Conference on Fibre Optics and Photonics, 9th-12th December, IIT Madras (2012)

  4. Kavita Sharma, Manas Srivastava, Deepa Venkitesh, Shanti Bhattacharya, "Design and modeling of tunable mid-IR fiber laser using Thulium doped fibers," International Conference on Fibre Optics and Photonics, 9th - 12th December, IIT Madras (2012)

  5. A.Vijayakumar and Shanti Bhattacharya, Design of Multilevel Spiral Phase Fresnel Zone Plates, 2012 International Conference on Optical MEMS and Nanophotonics, Banff, Alberta, Canada , August 2012

  6. M. Lai, Gayathri S., Y. Liu, G. Parish, S. Bhattacharya, A. Keating, "Multi-layer porous silicon diffraction gratings fabricated using standard microelectronic processing techniques," Porous Semiconductors Science and Technology - 2012, Malaga, Spain, March 2012.

  7. R. Prashanth and Shanti Bhattacharya, "Space variant deconvolution for optical coherence tomography," Proc. SPIE , 8311, Page-831113, ACP, Shanghai, China, November 2011.

  8. Gayathri M. S., Anil Prabhakar, and Shanti Bhattacharya, "Study of Subwavelength Gratings to Understand Their Polarization Behaviour," COMSOL Conference, Bangalore, November, 2011

  9. Anil Prabhakar, Abhijeet A. Kulkarni, Shanti Bhattacharya, "Extended-range multiwavelength all-fiber interferometer," SPIE Photonics West, San Francisco, January 2011

  10. R. Prashanth and Shanti Bhattacharya, "MEMS mirror based optical coherence tomography," International Photonics Conference, IIT Guwahati, Assam, December 2010. Proc. SPIE Vol. 8173, 81731W (2011)

  11. A. Vijaykumar and Shanti Bhattacharya, "Versatile Phase Zone Plates," International Photonics Conference, IIT Guwahati, Assam, December 2010.

  12. K. Ajay Giri Prakash, Sanjay Dhabai, Enakshi Bhattacharya and Shanti Bhattacharya, "Designing Micro-mirrors for Low Resolution Spectroscopy," APCOT 2010, Perth, Australia, July 2010

  13. K. Ajay Giri Prakash, Sanjay Dhabai, Enakshi Bhattacharya and Shanti Bhattacharya, "Design and Fabrication of a Micro-mirror for Spectroscopy," SPIE Photonics West, San Francisco, January 2010

  14. Invited talk: Shanti Bhattacharya, "Demystifying Optical MEMS," IWPSD, New Delhi, December 2009

  15. Sanjay Dhabhai and Shanti Bhattacharya, "Development of a Fibre based Infrared Fourier Transform Spectrometer," International Conference on Photonics, CSIO, Chandigarh, October 2009

  16. A. Kulkarni, G. Lakshminarayanan and S. Bhattacharya, "Comparison Of Phase Stepping Algorithms Used With An All Fiber Interferometer," International Photonics Conference, New Delhi, December 2008

  17. G.Lakshminarayan, C.A. Khansa, Anil Prabhakar and S. Bhattacharya, "Development Of A Fully Automated Fibre Interferometer, IMEKO TC2 Conference, Prague, August 2008

  18. D.K.Agrawal and S. Bhattacharya, "Design and Realization of a MEMS based Variable Optical Attenuator," IWPSD, Mumbai, December 2007

  19. Invited talk: Shanti Bhattacharya, Optical MEMS: Designing for reliability, SPIE conference on Reliability, Packaging, Testing, and Characterization Of MEMS/MOEMS VI, San Jose, California, USA, January 2007

  20. P. Suresh Kumar and S. Bhattacharya, 'Method for Calibration and Control of a Stabilised All-Fibre Phase Shifting Interferometer', International Photonics Conference, Hyderabad, India, December 2006

  21. C.A Khansa, S. Bhattacharya, A. Prabhakar, 'Source for Dual Wavelength Interferometry', International Photonics Conference, Hyderabad, India, December 2006

  22. D.K. Agrawal and S. Bhattacharya, 'Development of a Design Procedure for a MEMS based Variable Optical Attenuator', International Photonics Conference, Hyderabad, India, December 2006

  23. M. Jeyasudha, A. J. Thomas, B. Srinivasan, S. Bhattacharya,"Sub-wavelength metrology using all-fibre Michelson interferometer", International Conference on Optics and Lasers, Dehra Dun, December 2005

  24. S. Bhattacharya, "Design of beamshaping diffractive optical elements for improving fibre-optic coupling", International Conference on Optics and Lasers, Dehra Dun, December 2005

  25. S. Bhattacharya, S. Vijayalakshmi and A. Prabhakar, "Automated testing and characterisation of fibre optic links and components", International Photonics Conference, Kochi, India, December 2004

  26. S.Bhattacharya, M.Judy and J.Swift, "Design of MEMS based optical components for optical networks", International Photonics Conference, TIFR, Mumbai, India, December 2002

  27. T. Tschudi, L.L. Wang, S. Stankovic, M. Hain, S. Bhattacharya, D. Dias: "An integrated optical pick-up for high resolution digital storage and optical measuring technique", Photonics Prag 2002 - 4th Int. Conference on Photonics, Devices and Systems, Prague, May 26-29, 2002

  28. C.Schulz, S.Stankovic, S.Bhattacharya, T.Tschudi, "Wellenfrontmessung an Hochleistungsdiodenlaserbarren", Annual meeting of the Deutsche Gesellschaft fuer angewandte Optik, DGaO Göttingen, Germany, June 5-9, 2001

  29. M.Hain, R.Gloeckner, S.Bhattacharya, S.Stankovic, T.Tschudi, Fast Electro-Optical Lenses Using Liquid Crystals, CLEO, Nice, France 10-15 September, 2000

  30. S. Bhattacharya, S. Stankovic, D. Dias, M. Hain, R.Glöckner, C. Karaboué, L. Benmohammadi, F. Guessous, , T. Tschudi, M. Ferstl, E. Pawlowski, R. Steingrüber, B. Kuhlow, L.L. Wang, Dual Layer Digital Versatile Disk Pickup Integrating Opto-Electronic and Diffractive Elements, CLEO, Nice, France 10-15 September, 2000

  31. S.Stankovic, D.Dias, M.Hain, S.Bhattacharya, R.Glöckner, C.Karaboué, L.Benmohammadi, F.Guessous, L.L.Wang, T.Tschudi, M.Ferstl, E.Pawlowski, R.Steingrüber, B.Kuhlow, Integrated optical pickup system for axial dual focus, OSA "DOMO 2000" Diffractive Optics and Micro-Optics Topical Meeting 2000, Québec City / Canada, June 18-22, 2000

  32. M. Hain, R.Glöckner, S. Bhattacharya, S. Stankovic, T. Tschudi, Schnell schaltbare Flüssigkristallinse basierend auf dem Transient Nematic Effekt, Annual meeting of the Deutsche Gesellschaft fuer angewandte Optik, DGaO Jena, Germany, June 13-17, 2000

  33. S. Stankovic, M. Hain, D. Dias, S. Bhattacharya, R.Glöckner, T. Tschudi, M. Ferstl, E. Pawlowski, R. Steingrüber, B. Kuhlow, L.L. Wang, Pickup System für axialen Doppelfokus mit diffraktiven optischen Elementen, Annual meeting of the Deutsche Gesellschaft fuer angewandte Optik, DGaO Jena, Germany, June 13-17, 2000

  34. M. Hain, R. Glöckner, S. Bhattacharya, S. Stankovic and T. Tschudi, Fast switching electrooptical lenses based on nematic and ferroelectric liquid crystals, International conference Ferroelectrics Darmstadt, Germany, August 31- September 2, 1999

  35. S.Bhattacharya, S.Stankovic and T.Tschudi, Generation and study of diffractional elements with hexagonal structures, International conference on Diffractive Optics (DO) Jena, Germany, August 25-27th, 1999

  36. T.Tschudi, L.Wang, S.Stankovic, M.Hain, S.Bhattacharya, D.Dias, L.Benmohammadi, C.Karaboue, E.Pawlowski, M.Ferstl, Integrated optical pickup for optical discs, ICO 18th Congress of the International Commission of Optics, San Francisco, USA, 2-6 August 1999

  37. S.Bhattacharya, L.L.Wang, R.S.Sirohi and T.Tschudi, Optical perfect shuffle and multiple imaging with the checker grating, Annual meeting of the Deutsche Gesellschaft fuer angewandte Optik, DGaO Berlin, Germany, May 17-22, 1999

  38. R.Glöckner, M.Hain, S.Bhattacharya, L.L.Wang and T.Tschudi, Schnell schaltende optische Elemente auf der Basis ferroelektrischer Flüssigkristalle, Annual meeting of the Deutsche Gesellschaft fuer angewandte Optik, DGaO Berlin, Germany, May 17-22, 1999