Angular instability due to radiation pressure in the LIGO gravitational-wave detector

被引：28

作者：

Hirose, Eiichi ^{[3
]}

Kawabe, Keita ^{[1
]}

Sigg, Daniel ^{[1
]}

Adhikari, Rana ^{[2
]}

Saulson, Peter R. ^{[3
]}

机构：

[1] Hanford Observ, Laser Interferometer Gravitat Wave Observ LIGO, Richland, WA 99354 USA

[2] CALTECH, LIGO Lab, Pasadena, CA 91125 USA

[3] Syracuse Univ, Dept Phys, Syracuse, NY 13244 USA

来源：

APPLIED OPTICS | 2010年 / 49卷 / 18期

基金：

美国国家科学基金会;

关键词：

RESONANT OPTICAL INTERFEROMETERS; ALIGNMENT; PRINCIPLES;

D O I：

10.1364/AO.49.003474

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We observed the effect of radiation pressure on the angular sensing and control system of the Laser Interferometer Gravitational-Wave Observatory (LIGO) interferometer's core optics at LIGO Hanford Observatory. This is the first measurement of this effect in a complete gravitational-wave interferometer. Only one of the two angular modes survives with feedback control, because the other mode is suppressed when the control gain is sufficiently large. We developed a mathematical model to understand the physics of the system. This model matches well with the dynamics that we observe. (C) 2010 Optical Society of America

引用

页码：3474 / 3484

页数：11

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