Stable continuous-wave single-frequency intracavity frequency-doubled laser with intensity noise suppressed in audio frequency region

被引：0
|
作者：
高英豪 [1 ]
李渊骥 [1 ,2 ]
冯晋霞 [1 ,2 ]
张宽收 [1 ,2 ]
机构：
[1] State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University
[2] Collaborative Innovation Center of Extreme Optics, Shanxi University
来源：
Chinese Physics B | 2019年 / 28卷 / 09期
基金：
国家重点研发计划;
关键词：
continuous wave single-frequency intracavity frequency-doubled laser; noise suppression; power stabilization; audio frequency;
D O I：
暂无
中图分类号：
TN248 [激光器];
学科分类号：
0803 ; 080401 ; 080901 ;
摘要：
We demonstrated a continuous wave（cw） single-frequency intracavity frequency-doubled Nd:YVO;/LBO laser with 532 nm output of 7.5 W and 1.06 μm output of 3.1 W, and low intensity noise in audio frequency region.To suppress the intensity noise of the high power 532 nm laser, a laser frequency locking system and a feedback loop based on a Mach–Zehnder interferometer were designed and used.The influences of the frequency stabilization and the crucial parameters of the MZI, such as the power splitting ratio of the beam splitters and the locking state of the MZI, on the intensity noise of the 532 nm laser were investigated in detail.After the experimental optimizations, the laser intensity noise in the frequency region from 0.4 kHz to 10 kHz was significantly suppressed.
引用
收藏
页码：207 / 212
页数：6
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