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physics.optics2015★ 28 cited
Parametric Instability in Long Optical Cavities and Suppression by Dynamic Transverse Mode Frequency Modulation
Chunnong Zhao, Li Ju, Qi Fang +5
Three mode parametric instability has been predicted in Advanced gravitational wave detectors. Here we present the first observation of this phenomenon in a large scale suspended o…
physics.optics2014★ 3 cited
Three Mode Interactions as a Precision Monitoring Tool for Advanced Laser Interferometers
L Ju, C Zhao, D G Blair +3
Three-mode opto-acoustic interactions in advanced laser interferometer gravitational wave detectors have high sensitivity to thermally excited ultrasonic modes in their test masses…
physics.optics2013★ 9 cited
Radiation pressure excitation of test mass ultrasonic modes via three mode opto-acoustic interactions in a suspended Fabry-Perot cavity
Carl Blair, Sunil Susmithian, Chunnong Zhao +3
Three-mode parametric-instabilities risk stable operation of gravitational-wave detectors. Instabilities occur through time varying radiation-pressure distributions, derived from b…