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ID: 318003.0, MPI für Gravitationsphysik / Theoretical Gravitational Wave Physics
An All-Optical Trap for a Gram-Scale Mirror
Authors:Corbitt, Thomas; Chen, Yanbei; Innerhofer, Edith; Müller-Ebhardt, Helge; Ottaway, David; Rehbein, Henning; Sigg, Daniel; Whitcomb, Stanley; Wipf, Christopher; Mavalvala, N.
Date of Publication (YYYY-MM-DD):2007
Title of Journal:Physical Review Letters
Volume:98
Sequence Number of Article:150802
Review Status:not specified
Audience:Not Specified
Abstract / Description: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.
External Publication Status:published
Document Type:Article
Communicated by:Yanbei Chen
Affiliations:MPI für Gravitationsphysik/Theoretical Gravitational Wave Physics
MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
Identifiers:URL:http://link.aps.org/abstract/PRL/v98/e150802
DOI:10.1103/PhysRevLett.98.150802
LOCALID:arXiv:quant-ph/0612188
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