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.
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