Experimental Comparison of Conventional and Femtosecond Optical Tweezers

Ajitesh Singh; Soumendra Nath Bandyopadhyay; Krishna Kant Singh; Deepak Kumar; Debabrata Goswami

doi:10.1364/CLEO_AT.2021.JW1A.153

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper JW1A.153
•https://doi.org/10.1364/CLEO_AT.2021.JW1A.153

Experimental Comparison of Conventional and Femtosecond Optical Tweezers

Ajitesh Singh, Soumendra Nath Bandyopadhyay, Krishna Kant Singh, Deepak Kumar, and Debabrata Goswami

CLEO: Science and Innovations 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Joint Poster Session II (JW1A)

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A. Singh, S. N. Bandyopadhyay, K. K. Singh, D. Kumar, and D. Goswami, "Experimental Comparison of Conventional and Femtosecond Optical Tweezers," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper JW1A.153.

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Abstract

Systematic study of conventional and femtosecond optical tweezers demonstrates an interplay of thermal and optical nonlinearity due to tight focusing. Specifically, Brownian motion of the 250nm radius trapped bead is measured using a quadrant photodiode.

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