Thermal-noise limit in the frequency stabilization of lasers with rigid cavities

被引：438

作者：

Numata, K ^{[1
]}

Kemery, A ^{[1
]}

Camp, J ^{[1
]}

机构：

[1] NASA, Goddard Space Flight Ctr, High Energy Astrophys Lab, Greenbelt, MD 20771 USA

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.93.250602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We evaluate thermal noise (Brownian motion) in a rigid reference cavity used for frequency stabilization of lasers, based on the mechanical loss of cavity materials and the numerical analysis of the mirror-spacer mechanics with the direct application of the fluctuation dissipation theorem. This noise sets a fundamental limit for the frequency stability achieved with a rigid frequency-reference cavity of order 1 Hz/rootHz (0.01 Hz/rootHz) at 10 mHz (100 Hz) at room temperature. This level coincides with the world-highest level stabilization results.

引用

页数：4

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