Observation of optical torsional stiffness in a high optical power cavity

被引：7

作者：

Fan, Yaohui ^{[1
]}

Merrill, Lucienne ^{[1
]}

Zhao, Chunnong ^{[1
]}

Ju, Li ^{[1
]}

Blair, David ^{[1
]}

Slagmolen, Bram ^{[1
]}

Hosken, David ^{[2
]}

Brooks, Aidan ^{[2
]}

Veitch, Peter ^{[2
]}

Mudge, Damien ^{[2
]}

Munch, Jesper ^{[2
]}

机构：

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

[2] Univ Adelaide, Dept Phys, Adelaide, SA 5005, Australia

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 08期

基金：

美国国家科学基金会; 澳大利亚研究理事会;

关键词：

Fabry-Perot resonators; gravitational wave detectors; laser cavity resonators; laser mirrors; laser stability; light interferometry; measurement by laser beam; INSTABILITY;

D O I：

10.1063/1.3088850

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have observed negative optical torsional rigidity in an 80 m suspended high optical power cavity that would induce the Sidles-Sigg instability as a result of sufficient circulating power. The magnitude of the negative optical spring constant per unit power is a few mu N m/W as the result of the optical torsional stiffness in the yaw mode of a suspended mirror Fabry-Perot cavity. It has been observed to depend on the g-factor of the cavity which is in agreement with the Sidles-Sigg theory.

引用

页数：3

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