Long-term stabilization of the length of an optical reference cavity

被引：8

作者：

Hagel, G ^{[1
]}

Houssin, M ^{[1
]}

Knoop, M ^{[1
]}

Champenois, C ^{[1
]}

Vedel, M ^{[1
]}

Vedel, F ^{[1
]}

机构：

[1] Univ Aix Marseille 1, CNRS, UMR 6633, Ctr St Jerome, F-13397 Marseille 20, France

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2005年 / 76卷 / 12期

关键词：

D O I：

10.1063/1.2136069

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

To obtain a high degree of long-term length stabilization of an optical reference cavity, its free-spectral range is locked by means of an accurate and stable frequency synthesizer. The locking scheme is twofold: a laser is locked on the Nth mode of a reference Fabry-Perot cavity and part of the laser light is shifted in frequency to be in resonance with the (N+1)th mode of the cavity. This shift is generated by an acousto-optical modulator (AOM) mounted in a double-pass scheme, matching half of the free-spectral range of the reference cavity. The resulting absolute stabilization of the length of the cavity reaches the 10(-11) level per second, limited by the lock transfer properties and the frequency stability of the AOM control synthesizer.

引用

页码：1 / 4

页数：4

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