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Proceedings Paper

Dynamics of airborne tweezing
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Paper Abstract

We present results describing the behavior of optically trapped airborne particles, both solid and liquid. Using back focal plane interferometry we measure characteristic power spectra describing the position fluctuations within the trap. We show it is easy to transfer between an over and under damped regime by either varying the trapping power or the distance into the medium the beam is focused. The results assist in the understanding of airborne tweezers and it is hoped having under damped systems could lead to exploring analogies in many areas of fundamental physics.

Paper Details

Date Published: 29 August 2008
PDF: 8 pages
Proc. SPIE 7038, Optical Trapping and Optical Micromanipulation V, 70381P (29 August 2008); doi: 10.1117/12.794832
Show Author Affiliations
D. R. Burnham, Univ. of St. Andrews (United Kingdom)
Univ. of Dundee (United Kingdom)
P. Reece, Univ. of New South Wales (Australia)
D. López Mago, Tecnológico de Monterrey (Mexico)
J. C. Gutiérrez-Vega, Tecnológico de Monterrey (Mexico)
D. McGloin, Univ. of Dundee (United Kingdom)

Published in SPIE Proceedings Vol. 7038:
Optical Trapping and Optical Micromanipulation V
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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