Stable Narrow Linewidth 689nm Diode Laser for the Second Stage Cooling and Trapping of Strontium Atoms

被引：10

作者：

Li Ye ^{[1
]}

Lin Yi-Ge ^{[1
,3
]}

Zhao Yang ^{[2
]}

Wang Qiang ^{[1
]}

Wang Shao-Kai ^{[1
]}

Yang Tao ^{[3
]}

Cao Jian-Ping ^{[1
]}

Li Tian-Chu ^{[1
]}

Fang Zhan-Jun ^{[1
]}

Zang Er-Jun ^{[1
]}

机构：

[1] Natl Inst Metrol, Div Elect & Quantum Metrol, Beijing 100013, Peoples R China

[2] Tsinghua Univ, Dept Precis Instruments & Mechanol, Beijing 100084, Peoples R China

[3] Beijing Inst Technol, Dept Opt Engn, Beijing 100081, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2010年 / 27卷 / 07期

关键词：

LATTICE CLOCK; STABILIZATION; SPECTROSCOPY; TRANSITION; SYSTEM; LINE;

D O I：

10.1088/0256-307X/27/7/074208

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report stable narrow linewidth laser systems based on self-developed Littman configuration external cavity diode lasers (ECDLs). The frequency of the ECDL is stabilized to a high fineness ultralow-expansion glass reference cavity with the Pound-Drever-Hall technique. By heterodyne beating of two identical systems, we conclude that the linewidth of each ECDL is reduced to lower than 150 Hz and its frequency stability reaches 4.3 x 10(-14) at an averaging time of 1s, the averaged long-term frequency drift is less than 0.2 Hz/s over 30h measurement time.

引用

页数：3

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