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Proceedings Paper

Optical trapping with femtosecond laser pulses
Author(s): Anita Devi; Shaina Dhamija; Arijit K. De
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Paper Abstract

Laser trapping of 100nm diameter polystyrene bead under high repetition rate ultrafast pulsed excitation is studied theoretically as well as experimentally. In our theoretical analysis, we explore the role of optical Kerr effect at 50mW average power under pulsed excitation. In our experiment, we use a CMOS camera to record two-photon fluorescence signal from the trapped particle which decays with time due to photo-bleaching.

Paper Details

Date Published: 25 August 2017
PDF: 5 pages
Proc. SPIE 10347, Optical Trapping and Optical Micromanipulation XIV, 1034737 (25 August 2017); doi: 10.1117/12.2273839
Show Author Affiliations
Anita Devi, Indian Institute of Science Education and Research Mohali (India)
Shaina Dhamija, Indian Institute of Science Education and Research Mohali (India)
Arijit K. De, Indian Institute of Science Education and Research Mohali (India)


Published in SPIE Proceedings Vol. 10347:
Optical Trapping and Optical Micromanipulation XIV
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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