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Observation of Parametric Instability in Advanced LIGO

Evans, Matthew, Gras, Slawek, Fritschel, Peter, Miller, John, Barsotti, Lisa, Martynov, Denis, Brooks, Aidan, Coyne, Dennis, Abbott, Rich, Adhikari, Rana X., Arai, Koji, Bork, Rolf, Kells, Bill, Rollins, Jameson, Smith-Lefebvre, Nicolas, Vajente, Gabriele, Yamamoto, Hiroaki, Adams, Carl, Aston, Stuart, Betzweiser, Joseph, Frolov, Valera, Mullavey, Adam, Pele, Arnaud, Romie, Janeen, Thomas, Michael, Thorne, Keith, Dwyer, Sheila, Izumi, Kiwamu, Kawabe, Keita, Sigg, Daniel, Derosa, Ryan, Effler, Anamaria, Kokeyama, Keiko, Ballmer, Stefan, Massinger, Thomas J., Staley, Alexa, Heinze, Matthew, Mueller, Chris, Grote, Hartmut, Ward, Robert, King, Eleanor, Blair, David, Ju, Li and Zhao, Chunnong 2015. Observation of Parametric Instability in Advanced LIGO. Physical Review Letters 114 (16) , 161102. 10.1103/PhysRevLett.114.161102

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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.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: American Physical Society
ISSN: 0031-9007
Last Modified: 19 Mar 2021 15:37

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