A compact and robust cooling laser system for an optical strontium lattice clock

被引：8
|
作者：
Schwarz, Roman [1 ]
Doerscher, Soeren [1 ]
Al-Masoudi, Ali [1 ]
Vogt, Stefan [1 ,2 ]
Li, Ye [1 ,3 ]
Lisdat, Christian [1 ]
机构：
[1] Phys Tech Bundesanstalt, Bundesallee 100, D-38116 Braunschweig, Germany
[2] Coherent LaserSyst GmbH & Co KG, Seelandstr 9, D-23569 Lubeck, Germany
[3] Natl Inst Metrol China NIM, Bei San Huan Dong Lu 18, Beijing 100029, Peoples R China
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2019年 / 90卷 / 02期
关键词：
FREQUENCY RATIO; SPACE; TESTS; ATOMS;
D O I：
10.1063/1.5063552
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We present a simple and robust laser system for two-color, narrow-line cooling on the Sr-87 (5s(2))S-1(0) -> (5s5p)P-3(1) transition. Two hyperfine lines of this transition are addressed simultaneously with light from a single laser source, using sidebands created by an electro-optical phase modulator. A tapered amplifier system provides laser powers up to 90 mW. We show that amplification does not affect the phase modulation of the laser. This compact and robust laser system offers excellent reliability. Therefore, it is especially well suited for transportable and spaceborne optical clocks. The design offers the potential to be miniaturized into a fully integrated package. Published under license by AIP Publishing.
引用
收藏
页数：6
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