Testing the suppression of opto-acoustic parametric interactions using optical feedback control
Date
2010
Authors
Fan, Y.
Merrill, L.
Zhao, C.
Ju, L.
Blair, D.
Slagmolen, B.
Hosken, D.
Brooks, A.
Veitch, P.
Munch, J.
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Journal article
Citation
Classical and Quantum Gravity, 2010; 27(8):084028-1-084208-9
Statement of Responsibility
YaoHui Fan, Lucienne Merrill, ChunNong Zhao, Li Ju, David Blair, Bram Slagmolen, David Hosken, Aidan Brooks, Peter Veitch and Jesper Munch
Conference Name
Abstract
We report an investigation designed to suppress three-mode opto-acoustic parametric interactions in advanced gravitational-wave detectors, through optical feedback control. In this paper, we present our initial results on the control of parametric instability in a high-finesse Fabry–Pérot cavity using low input laser power. We show that injection of an anti-phase TEM01 mode with appropriate power will optically interfere and suppress the excited high-order mode in the cavity within a few seconds.
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© 2010 IOP Publishing Ltd