Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/48383
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Type: Journal article
Title: An all-optical trap for a gram-scale mirror
Author: Corbitt, T.
Chen, Y.
Innerhofer, E.
Muller-Ebhardt, H.
Ottaway, D.
Rehbein, H.
Sigg, D.
Whitcomb, S.
Wipf, C.
Mavalvala, N.
Citation: Physical Review Letters, 2007; 98(15):150802-1-150802-4
Publisher: American Physical Soc
Issue Date: 2007
ISSN: 0031-9007
1079-7114
Statement of
Responsibility: 
Thomas Corbitt, Yanbei Chen, Edith Innerhofer, Helge Müller-Ebhardt, David Ottaway, Henning Rehbein, Daniel Sigg, Stanley Whitcomb, Christopher Wipf, and Nergis Mavalvala
Abstract: We report on a stable optical trap suitable for a macroscopic mirror, wherein the dynamics of the mirror are fully dominated by radiation pressure. The technique employs two frequency-offset laser fields to simultaneously create a stiff optical restoring force and a viscous optical damping force. We show how these forces may be used to optically trap a free mass without introducing thermal noise, and we demonstrate the technique experimentally with a 1 g mirror. The observed optical spring has an inferred Young's modulus of 1.2 TPa, 20% stiffer than diamond. The trap is intrinsically cold and reaches an effective temperature of 0.8 K, limited by technical noise in our apparatus.
Rights: ©2007 American Physical Society
RMID: 0020083033
DOI: 10.1103/PhysRevLett.98.150802
Appears in Collections:Physics publications

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