Laser stabilization with a frequency-to-voltage chip for narrow-line laser cooling

被引：16
|
作者：
McFerran, J. J. [1 ]
机构：
[1] Univ Western Australia, Dept Phys, Crawley 6009, Australia
来源：
OPTICS LETTERS | 2018年 / 43卷 / 07期
基金：
澳大利亚研究理事会;
关键词：
STRONTIUM ATOMS; DIODE-LASER; TRANSITION; YTTERBIUM; SPECTRUM; YB-171; SYSTEM; NM;
D O I：
10.1364/OL.43.001475
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We use integrated circuit-based frequency-to-voltage conversion of a frequency comb beat signal as the means for laser frequency stabilization that is suitable for narrow-line laser cooling. The method is compared to an atomic beam lock where the laser frequency instability for the new scheme shows an improvement of 2 orders of magnitude at sub-1 s and grants a lock-capture range that is approximately 30 times greater. We employ the locking method on a 1111.6 nm laser that is frequency doubled and used in a dual-wavelength magneto-optical trap for Yb-171 atoms, producing atomic cloud temperatures of similar to 20 mu K. (c) 2018 Optical Society of America
引用
收藏
页码：1475 / 1478
页数：4
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