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  An All-Optical Trap for a Gram-Scale Mirror

Corbitt, T., Chen, Y., Innerhofer, E., Müller-Ebhardt, H., Ottaway, D., Rehbein, H., et al. (2007). An All-Optical Trap for a Gram-Scale Mirror. Physical Review Letters, 98: 150802. doi:10.1103/PhysRevLett.98.150802.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-49A4-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-49A6-F
Genre: Journal Article

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 Creators:
Corbitt, Thomas, Author
Chen, Yanbei1, Author              
Innerhofer, Edith, Author
Müller-Ebhardt, Helge2, Author              
Ottaway, David, Author
Rehbein, Henning2, Author              
Sigg, Daniel, Author
Whitcomb, Stanley, Author
Wipf, Christopher, Author
Mavalvala, N., Author
Affiliations:
1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              
2Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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 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.

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 Dates: 2007
 Publication Status: Published in print
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 Identifiers: eDoc: 318003
URI: http://link.aps.org/abstract/PRL/v98/e150802
DOI: 10.1103/PhysRevLett.98.150802
Other: arXiv:quant-ph/0612188
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Title: Physical Review Letters
Source Genre: Journal
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Pages: - Volume / Issue: 98 Sequence Number: 150802 Start / End Page: - Identifier: -