Damping parametric instabilities in future gravitational wave detectors by means of electrostatic actuators

Miller, John; Evans, M; Barsotti, L; Fritschel, Peter; MacInnis, M; Mittleman, R; Shapiro, Brett; Soto, Jonathan; Torrie, Calum; LIGO , Scientific Collaboration (700 Scientists)

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Damping parametric instabilities in future gravitational wave detectors by means of electrostatic actuators

Date

2011

Authors

Miller, John

Evans, M

Barsotti, L

Fritschel, Peter

MacInnis, M

Mittleman, R

Shapiro, Brett

Soto, Jonathan

Torrie, Calum

LIGO , Scientific Collaboration (700 Scientists)

Publisher

Elsevier

Abstract

It has been suggested that the next generation of interferometric gravitational wave detectors may observe spontaneously excited parametric oscillatory instabilities. We present a method of actively suppressing any such instability through application of