Estimation of maximum translation speed of a trapped particle in holographic optical tweezers

Karuna Sindhu Malik; S. S. Goutam Buddha; Ranjan Kalita; Bosanta R. Boruah

doi:10.1117/12.2542144

24 February 2020 Estimation of maximum translation speed of a trapped particle in holographic optical tweezers

Karuna Sindhu Malik, S. S. Goutam Buddha, Ranjan Kalita, Bosanta R. Boruah

Proceedings Volume 11297, Complex Light and Optical Forces XIV; 112970Z (2020) https://doi.org/10.1117/12.2542144
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

One important parameter in the case of translation of an optically trapped particle is the maximum achievable speed of translation in optical trapping. While the parameter is expected to have a dependence on the particle diameter and the viscosity of the medium, there will also be dependence on the laser power and step size of the moving trap. In this paper, we will experimentally investigate the maximum translation speed of a given trapped particle in a certain medium achievable in a holographic optical trap. We will implement the holographic trap using a liquid crystal spatial light modulator with a computer interface and use latex beads in water for trapping.

Citation Download Citation

Karuna Sindhu Malik, S. S. Goutam Buddha, Ranjan Kalita, and Bosanta R. Boruah "Estimation of maximum translation speed of a trapped particle in holographic optical tweezers", Proc. SPIE 11297, Complex Light and Optical Forces XIV, 112970Z (24 February 2020); https://doi.org/10.1117/12.2542144

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