Precursors of parametric oscillatory instability in LIGO interferometer

被引：11
作者：
Polyakov, I. A. [1 ]
Vyatchanin, S. P. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia
来源：
PHYSICS LETTERS A | 2007年 / 368卷 / 06期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/j.physleta.2007.04.052
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The basis of undesirable effect of parametric oscillatory instability in optical interferometer is provided by excitation of the additional (Stokes) optical mode having frequency omega(1), and the mirror elastic mode, having frequency omega(m). It appears when optical energy stored in the main mode, with frequency omega(0), exceeds a certain threshold and the frequencies are related as omega(0) similar or equal to omega(1) + omega(m). We analyze the time evolution of parametric instability which allows predicting the characteristics of precursors of parametric instability. Observation of such precursors may help avoid parametric instability. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：423 / 430
页数：8
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