Dr. Basudev Roy Profile

Dr. Basudev Roy

Assistant Professor at Indian Institute of Technology Madras

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 10 October 2020 Poster + Paper

Pitch rotation of hexagonal microparticle using single beam thermo-optical tweezers

Sumeet Kumar, Basudev Roy

Proc. SPIE. 11556, Nanophotonics and Micro/Nano Optics VI

KEYWORDS: Gold, Particles, Light scattering, Photodiodes, Laser beam propagation, Optical testing, Nomenclature, Optical tweezers, Motion measurement, Scatter measurement

Read Abstract +

Proceedings Article | 20 August 2020 Poster + Paper

Characterization of emission from thermo-optical tweezers during spontaneous self-assembly

Sumeet Kumar, Rahul Vaippully, Gaurav Vaidya, Basudev Roy

Proc. SPIE. 11463, Optical Trapping and Optical Micromanipulation XVII

KEYWORDS: Luminescence, Convection, Multiphoton processes, Multiphoton fluorescence microscopy, Carbon nanotubes

Read Abstract +

Proceedings Article | 20 August 2020 Poster + Paper

Generation of thermo-optical instability mediated by thermophoresis in a sessile water droplet

Muruga Lokesh, Rahul Vaippully, Anvitha Reddy, Basudev Roy

Proc. SPIE. 11463, Optical Trapping and Optical Micromanipulation XVII

KEYWORDS: Interfaces, Diffusion, Optical tweezers

Read Abstract +

Proceedings Article | 20 August 2020 Presentation + Paper

Determination of local cell membrane slope fluctuations using the pitch rotational mode of optical tweezers

Rahul Vaippully, Vaibavi Ramanujam, Manoj Gopalakrishnan, Saumendra Bajpai, Basudev Roy

Proc. SPIE. 11463, Optical Trapping and Optical Micromanipulation XVII

KEYWORDS: Optical tweezers, Objectives, Motion measurement

Read Abstract +

Proceedings Article | 1 April 2020 Presentation + Paper

Study of absorption and emission dipoles of upconverting nanoparticles optically trapped at the absorption resonance

Amrendra Kumar, Gunaseelan M., Bhavesh Kharbanda, Rahul Vaippully, Basudev Roy

Proc. SPIE. 11345, Nanophotonics VIII

KEYWORDS: Near infrared, Nanoparticles, Particles, Luminescence, Light scattering, Photodiodes, Polarizers, Optical tweezers, Atmospheric particles, Absorption

Read Abstract +

Proceedings Article | 4 May 2018 Paper

Determination of rotation in the pitch degree of freedom for a spherical birefringent particle

Basudev Roy, Avin Ramaiya, Erik Schäffer

Proc. SPIE. 10672, Nanophotonics VII

KEYWORDS: Refractive index, Optical spheres, Birefringence, Video, Particles, Molecules, Polarizers, Optical tweezers, Liquid crystals, Spherical lenses

Read Abstract +

Proceedings Article | 25 August 2015 Presentation + Paper

Studies on shape anisotropy in red blood cells

Basudev Roy, Argha Mondal, Sudipta Bera, Ayan Banerjee

Proc. SPIE. 9548, Optical Trapping and Optical Micromanipulation XII

KEYWORDS: Birefringence, Scattering, Blood, Particles, Polarimetry, Optical tweezers, Motion measurement, Motion estimation, Anisotropy, Correlation function

Read Abstract +

Proceedings Article | 25 August 2015 Presentation + Paper

Interesting physics and applications using microbubbles in thermo-optic tweezers

Basudev Roy, Subhrokoli Ghosh, Soumyajit Roy, Ayan Banerjee

Proc. SPIE. 9548, Optical Trapping and Optical Micromanipulation XII

KEYWORDS: Microscopes, Optical lithography, Glasses, Particles, Molecules, Crystals, Composites, Physics, Optical tweezers, Polymer optical fibers

Read Abstract +

Proceedings Article | 15 June 2015 Paper

Writing with lasers: a new technique of controlled lithography using thermooptically manipulated microbubbles

Subhrokoli Ghosh, Basudev Roy, Shuvojit Paul, Santu Das, Soumyajit Roy, Ayan Banerjee

Proc. SPIE. 9654, International Conference on Optics and Photonics 2015

KEYWORDS: Lithography, Microscopes, Polymers, Glasses, Particles, Crystals, Optical tweezers, Laser crystals, Liquids, Absorption

Read Abstract +

Proceedings Article | 30 September 2014 Paper

Interesting manifestations of spin orbit interaction and spin Hall shift of light in an optical trap

Basudev Roy, Nirmalya Ghosh, Subhasish Dutta Gupta, Ayan Banerjee

Proc. SPIE. 9164, Optical Trapping and Optical Micromanipulation XI

KEYWORDS: Microscopes, Polarization, Quartz, Particles, Light scattering, Magnetism, Wave propagation, Optical tweezers, Erbium, Electroluminescent displays

Read Abstract +

Proceedings Article | 16 September 2014 Paper

A new technique for high sensitive detection of rotational motion in optical tweezers by a differential measurement of backscattered intensity

Basudev Roy, Sudipta Bera, Argha Mondal, Ayan Banerjee

Proc. SPIE. 9164, Optical Trapping and Optical Micromanipulation XI

KEYWORDS: Modulation, Polarization, Birefringence, Scattering, Particles, Light scattering, Motion detection, Optical tweezers, Bragg cells, Motion measurement

Read Abstract +

Proceedings Article | 16 September 2014 Paper

Spontaneous revolution of micro-swimmers in a spherically aberrated optical trap

Basudev Roy, Argha Mondal, Soumyajit Roy, Ayan Banerjee

Proc. SPIE. 9164, Optical Trapping and Optical Micromanipulation XI

KEYWORDS: Gold, Microscopes, Gaussian beams, Scattering, Particles, Light scattering, Laser scattering, Optical tweezers, Objectives, Systems modeling

Read Abstract +

Proceedings Article | 1 May 2012 Paper

A balanced, phase sensitive back-focal plane interferometry technique to determine dynamics of a trapped bead in optical tweezers

Basudev Roy, Sambit Bikas Pal, Arijit Haldar, Ratnesh Kumar Gupta, Nirmalya Ghosh, Ayan Banerjee

Proc. SPIE. 8424, Nanophotonics IV

KEYWORDS: Microscopes, Interferometers, Sensors, Glasses, Interferometry, Photodiodes, Optical tweezers, Phase measurement, Bragg cells, Motion measurement

Read Abstract +

Showing 5 of 13 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years