The seed injection Nd: YAG laser frequency stabilization based on the molecular iodine absorption

Zhuang Peng II; Chenbo Xie; Fahua Shen; Bangxin Wang; Lu Li; Zhanye Zhang; Yufei Chu; Zhiyuan Fang; Jiadi Shao

doi:10.1117/12.2565262

17 April 2020 The seed injection Nd: YAG laser frequency stabilization based on the molecular iodine absorption

Zhuang Peng II, Chenbo Xie, Fahua Shen, Bangxin Wang, Lu Li, Zhanye Zhang, Yufei Chu, Zhiyuan Fang, Jiadi Shao

Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 114556C (2020) https://doi.org/10.1117/12.2565262
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China

Abstract

The laser frequency stabilization is crucial to the measurement accuracy of wind speed in a Doppler wind lidar. In this thesis, a molecular iodine absorption cell was used to conduct the laser frequency stabilization. Before adding a frequency stabilization system, the seed injection Nd: YAG laser frequency was changed about 1.5GHz within 4h; after adding the frequency stabilization system, the maximum excursion of the frequency was less than 40MHz within 2.5h. Generally speaking, most of the frequency points were controlled within ±20MHz. The standard deviation was 9.54MHz. Such a way greatly improved laser frequency stability.

Citation Download Citation

Zhuang Peng II, Chenbo Xie, Fahua Shen, Bangxin Wang, Lu Li, Zhanye Zhang, Yufei Chu, Zhiyuan Fang, and Jiadi Shao "The seed injection Nd: YAG laser frequency stabilization based on the molecular iodine absorption", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 114556C (17 April 2020); https://doi.org/10.1117/12.2565262

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