Strategies for the control of parametric instability in advanced gravitational wave detectors

被引：21

作者：

Ju, L. ^{[1
]}

Blair, D. G. ^{[1
]}

Zhao, C. ^{[1
]}

Gras, S. ^{[1
]}

Zhang, Z. ^{[1
]}

Barriga, P. ^{[1
]}

Miao, H. ^{[1
]}

Fan, Y. ^{[1
]}

Merrill, L. ^{[1
]}

机构：

[1] Univ Western Australia, Sch Phys, Perth, WA 6009, Australia

来源：

CLASSICAL AND QUANTUM GRAVITY | 2009年 / 26卷 / 01期

基金：

澳大利亚研究理事会;

关键词：

OSCILLATORY INSTABILITY; NUMERICAL-CALCULATIONS; INTERFEROMETER;

D O I：

10.1088/0264-9381/26/1/015002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Parametric instabilities have been predicted to occur in all advanced high optical power gravitational wave detectors. In this paper we review the problem of parametric instabilities, summarize the latest findings and assess various schemes proposed for their control. We show that non-resonant passive damping of test masses reduces parametric instability but has a noise penalty, and fails to suppress the Q-factor of many modes. Resonant passive damping is shown to have significant advantages but requires detailed modeling. An optical feedback mode suppression interferometer is proposed which is capable of suppressing all instabilities but requires experimental development.

引用

页数：15

共 27 条

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