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Journal Article

Observation of Parametric Instability in Advanced LIGO

MPS-Authors
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Grote,  Hartmut
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

1502.06058.pdf
(Preprint), 2MB

PhysRevLett.114_161102.pdf
(Any fulltext), 2MB

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Citation

Evans, M., Gras, S., Fritschel, P., Miller, J., Barsotti, L., Martynov, D., et al. (2015). Observation of Parametric Instability in Advanced LIGO. Physical Review Letters, 114: 161102. doi:10.1103/PhysRevLett.114.161102.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0027-12E4-8
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 work we describe the first observation of parametric instability in an Advanced LIGO detector, and the means by which it has been removed as a barrier to progress.