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Proceedings Paper

Cavity cooling a trapped nanosphere in vacuum
Author(s): P. F. Barker; J. Millen; P. G. Z. Fonseca; T. Mavrogordatos; T. S. Monteiro
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Paper Abstract

We describe recent experiments that have demonstrated cavity optomechanical cooling of the center-of-mass motion of nanospheres. The naturally charged silica spheres are levitated within vacuum using an overlapping optical and electrodynamical trap. Using this system we have cavity cooled trapped nano-spheres of radius 200nm from above room temperature to less than 10K in a vacuum of 10-4 mbar.

Paper Details

Date Published: 16 September 2014
PDF: 10 pages
Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 916403 (16 September 2014); doi: 10.1117/12.2064393
Show Author Affiliations
P. F. Barker, Univ. College London (United Kingdom)
J. Millen, Univ. College London (United Kingdom)
P. G. Z. Fonseca, Univ. College London (United Kingdom)
T. Mavrogordatos, Univ. College London (United Kingdom)
T. S. Monteiro, Univ. College London (United Kingdom)

Published in SPIE Proceedings Vol. 9164:
Optical Trapping and Optical Micromanipulation XI
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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