An automatic frequency stabilized laser with hertz-level linewidth

Xinqian Guo,Linbo Zhang,Jun Liu,Long Chen,Le Fan,Guanjun Xu,Tao Liu,Ruifang Dong,Shougang Zhang

Optics & Laser Technology（2022）

引用 10|浏览10

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摘要

•Analog high-speed PID combined with digital automatic controller is developed.•Automatic frequency stabilization of hertz-level linewidth laser system is realized.•The continuous operation of an ultra-stable laser over a week is demonstrated.

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关键词

Ultra-stable laser,PDH,Automatic frequency stabilization

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