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Published April 24, 2015 | Published + Submitted
Journal Article Open

Observation of Parametric Instability in Advanced LIGO

Abstract

Parametric instabilities have long been studied as a potentially limiting effect in high-power interferometric gravitational wave detectors. Until now, however, these instabilities have never been observed in a kilometer-scale interferometer. In this Letter, we describe the first observation of parametric instability in a gravitational wave detector, and the means by which it has been removed as a barrier to progress.

Additional Information

© 2015 American Physical Society. Received 7 March 2015. The authors would like to acknowledge the extensive theoretical analysis of parametric instabilities by our Moscow State University colleagues Vladimir Braginsky, Sergey Strigin, and Sergey Vyatchanin, without which these instabilities would have come as a terrible surprise. LIGO was constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the National Science Foundation, and operates under Cooperative Agreement No. PHY-0757058. Advanced LIGO was built under Grant No. PHY-0823459.

Attached Files

Published - PhysRevLett.114.161102.pdf

Submitted - 1502.06058v2.pdf

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PhysRevLett.114.161102.pdf
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Additional details

Created:
August 20, 2023
Modified:
October 23, 2023