International Conferences
- Sreeraj P Nambiar, Susan Thomas, Shanti Bhattacharya and Enakshi Bhattacharya, “Design and fabrication of an electrothermally-actuated 2D scanning micromirror,” 12899, 164-166, MOEMS and Miniaturized Systems XXIII, SPIE PW, 27th Jan – 1 Feb 2024
- Naveen Kumar Pothapakula, R David Koilpillai and Shanti Bhattacharya, “Optical signal processing in spectral domain OCT using smoothed pseudo Wigner-Ville distribution,” 12830, 32-35, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVIII, SPIE PW, 27th Jan – 1 Feb 2024
- Susan Thomas, Francesco Ferranti and Shanti Bhattacharya, “Design and simulation of dielectric metasurface for aberration correction in fiber-scanning microendoscope,” 12896, 5-8, Photonic and Phononic Properties of Engineered Nanostructures XIV, SPIE PW, 27th Jan – 1 Feb 2024
- Bagath Chandraprasad T, Pramitha Vayalamkuzhi and Shanti Bhattacharya, “Study on pre-filtering requirements of Hilbert transform method for optical phase retrieval,” 12389-57, Quantitative Phase Imaging IX, SPIE PW, 28th Jan – 2 Feb 2023
- Susan Thomas and Shanti Bhattacharya, “Optical design and simulation of two photon fluorescence imaging microendoscope with aberration correction,” 12356-25, Endoscopic Microscopy XVIII, SPIE PW, 28th Jan – 2 Feb 2023
- Atreyee Saha, Salman S. Khan, Sagar Sehrawat, Sanjana S. Prabhu, Shanti Bhattacharya, and Kaushik Mitra, “LWGNet – Learned Wirtinger Gradients for Fourier Ptychographic Phase Retrieval,” European Conference on Computer Vision, Tel Aviv, Oct. 23-27 2022.
- N. Pothapakula and S. Bhattacharya, ”Continuous wavelet transformations for OCT image reconstruction: Applications,” in Frontiers in Optics + Laser Science 2022 (FIO, LS), Technical Digest Series (Optica Publishing Group, 2022), paper JTu5A.83, October 2022, NY, USA
- Jerin Geogy George, Yerragadda Guruvaiah and Shanti Bhattacharya, “Sidelobe-Suppressed Bessel Beam using Holograms,” CLEO PR , 31st July – 5th August 2022, Sapporo, Japan
- Jerin Geogy George, Francesco Ferranti and Shanti Bhattacharya, “Design and Fabrication of dielectric meta-optics for beam-shaping,” “2nd Annual International Scientific Conference & Hybrid Expo on Lasers, Optics, Photonics, Sensors & Ultrafast Nonlinear Optics” June 10-12, 2022 | Virtual Conference
- Guruvaiah Yerragadda, Raghu Dharmavarapu, Saulius Juodkazis, and Shanti Bhattacharya. “Design and optimized fabrication techniques for highly-efficient dielectric meta-optical airy beam generators.” In High Contrast Metastructures X, vol. 11695, p. 116951G. International Society for Optics and Photonics, 2021. Link
- Bagath, Chandraprasad T, Pramitha Vayalamkuzhi, and Shanti Bhattacharya. “Optical Phase Extraction using Fourier, Continuous Wavelet and Hilbert Transform Methods-Effect of Carrier Frequency.” Conference on Lasers and Electro-Optics/Pacific Rim. Optical Society of America, 2020. Link
- Raghu Dharmavarapu, Soon Hock Ng, Shanti Bhattacharya, Saulius Juodkazis, “Silicon-based metasurfaces for vortex beam generation,” Proc. SPIE 11201, SPIE Micro + Nano Materials, Devices, and Applications 2019, 112011T (31 December 2019). Link
- 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
- 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)
- 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)
- 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)
- 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
- 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.
- R. Prashanth and Shanti Bhattacharya, “Space variant deconvolution for optical coherence tomography,” Proc. SPIE , 8311, Page-831113, ACP, Shanghai, China, November 2011.
- Gayathri M. S., Anil Prabhakar, and Shanti Bhattacharya, “Study of Subwavelength Gratings to Understand Their Polarization Behaviour,” COMSOL Conference, Bangalore, November, 2011
- Anil Prabhakar, Abhijeet A. Kulkarni, Shanti Bhattacharya, “Extended-range multiwavelength all-fiber interferometer,” SPIE Photonics West, San Francisco, January 2011
- 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)
- A. Vijaykumar and Shanti Bhattacharya, “Versatile Phase Zone Plates,” International Photonics Conference, IIT Guwahati, Assam, December 2010.
- K. Ajay Giri Prakash, Sanjay Dhabai, Enakshi Bhattacharya and Shanti Bhattacharya, “Designing Micro-mirrors for Low Resolution Spectroscopy,” APCOT 2010, Perth, Australia, July 2010
- 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
- Invited talk: Shanti Bhattacharya, “Demystifying Optical MEMS,” IWPSD, New Delhi, December 2009
- Sanjay Dhabhai and Shanti Bhattacharya, “Development of a Fibre based Infrared Fourier Transform Spectrometer,” International Conference on Photonics, CSIO, Chandigarh, October 2009
- 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
- G.Lakshminarayan, C.A. Khansa, Anil Prabhakar and S. Bhattacharya, “Development Of A Fully Automated Fibre Interferometer, IMEKO TC2 Conference, Prague, August 2008
- D.K.Agrawal and S. Bhattacharya, “Design and Realization of a MEMS based Variable Optical Attenuator,” IWPSD, Mumbai, December 2007
- 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
- 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
- C.A Khansa, S. Bhattacharya, A. Prabhakar, ‘Source for Dual Wavelength Interferometry’, International Photonics Conference, Hyderabad, India, December 2006
- 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
- 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
- S. Bhattacharya, “Design of beamshaping diffractive optical elements for improving fibre-optic coupling”, International Conference on Optics and Lasers, Dehra Dun, December 2005
- S. Bhattacharya, S. Vijayalakshmi and A. Prabhakar, “Automated testing and characterisation of fibre optic links and components”, International Photonics Conference, Kochi, India, December 2004
- S.Bhattacharya, M.Judy and J.Swift, “Design of MEMS based optical components for optical networks”, International Photonics Conference, TIFR, Mumbai, India, December 2002
- 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
National Conferences
- Invited talk: Enakshi Bhattacharya, Nandita DasGupta and Shanti Bhattacharya, Optical MEMS at IIT Madras, Microactuators, Microsensors and Micromechanisms (MAMM 2022), IIT Hyderabad 3 -5 Dec 2022
- Invited talk: Jerin Geogy George, Susan Thomas, and Shanti Bhattacharya, “Design and Fabrication of Meta-optics for Light Manipulation: Challenges and Prospects,” XLV Symposium of Optical Society of India – COPaQ 2022, IIT Roorkee 10-13 November 2022
- Invited talk: Shanti Bhattacharya, “Optical phase retrieval and manipulation for advanced imaging systems and applications,” Frontiers in Optics and Photonics, IIT Delhi September 24-27, 2021
- Invited talk: Shanti Bhattacharya, “An Introduction to Fibre Interferometry,” National Conference on Nanophotonic materials, Department of Physics, CUSAT, Cochin, October 2008
- 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
- 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
- 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
- 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.
- 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.
- S. Bhattacharya and R.S.Sirohi, Array generators, (Invited Talk), National Laser Symposium, BARC, Bombay, January, 17-19th, 1996.
- 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.
- 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.
- 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.