External cavity diode laser as a stable-frequency light source for application in laser cooling of molecules

被引：11

作者：

Yang, Xiuxiu ^{[1
]}

Yin, Yanning ^{[1
]}

Li, Xingjia ^{[1
]}

Xu, Supeng ^{[1
]}

Xia, Yong ^{[1
]}

Yin, Jianping ^{[1
]}

机构：

[1] E China Normal Univ, Dept Phys, State Key Lab Precis Spect, Shanghai 200062, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2016年 / 14卷 / 07期

基金：

上海市自然科学基金; 中国国家自然科学基金;

关键词：

LINEWIDTH; STABILIZATION; NM;

D O I：

10.3788/COL201614.071403

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a scheme to use a Littman configuration external cavity diode laser (ECDL) as a stable-frequency light source to stabilize two cw single-mode Ti:sapphire lasers for laser cooling of magnesium fluoride molecules. An ECDL based on the Littman configuration is constructed and stabilized by a digital signal processor system. We stabilize the frequency of our ECDL to +/- 0.77 MHz precision over 10 h and the Allan standard deviation reaches 2.6 x 10(-11) at an integration time of 10 s. We lock two Ti: sapphire lasers through a transfer cavity, and either laser has a long-term frequency stability of +/- 2.5 MHz.

引用

页数：5

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