Observation of parametric instability in advanced LIGO

Matthew Evans, Slawek Gras, Peter Fritschel, John Miller, Lisa Barsotti, Denis Martynov, Aidan Brooks, Dennis Coyne, Rich Abbott, Rana X. Adhikari, Koji Arai, Rolf Bork, Bill Kells, Jameson Rollins, Nicolas Smith-Lefebvre, Gabriele Vajente, Hiroaki Yamamoto, Carl Adams, Stuart Aston, Joseph BetzweiserValera Frolov, Adam Mullavey, Arnaud Pele, Janeen Romie, Michael Thomas, Keith Thorne, Sheila Dwyer, Kiwamu Izumi, Keita Kawabe, Daniel Sigg, Ryan Derosa, Anamaria Effler, Keiko Kokeyama, Stefan Ballmer, Thomas J. Massinger, Alexa Staley, Matthew Heinze, Chris Mueller, Hartmut Grote, Robert Ward, Eleanor King, David Blair, Li Ju, Chunnong Zhao

    Research output: Contribution to journalArticlepeer-review

    101 Citations (Scopus)

    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.

    Original languageEnglish
    Article number161102
    JournalPhysical Review Letters
    Volume114
    Issue number16
    DOIs
    Publication statusPublished - 23 Apr 2015

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