Repetition-frequency-controllable double Q-switched Ho:LuAG laser with acousto-optic modulator and Cr2+:ZnS saturable absorber

Benrui Zhao; Yi Chen; Baoquan Yao; Zheng Cui; Shuang Bai; Hongyu Yang; Xiaoming Duan; Jiang Li; Yingjie Shen; Chuanpeng Qian; Jinhe Yuan; Tongyu Dai; Chaoyu Li; Yubai Pan

doi:10.1117/1.OE.55.11.116116

30 November 2016 Repetition-frequency-controllable double Q-switched Ho:LuAG laser with acousto-optic modulator and Cr²⁺:ZnS saturable absorber

Benrui Zhao, Yi Chen, Baoquan Yao, Zheng Cui, Shuang Bai, Hongyu Yang, Xiaoming Duan, Jiang Li, Yingjie Shen, Chuanpeng Qian, Jinhe Yuan, Tongyu Dai, Chaoyu Li, Yubai Pan

Author Affiliations +

Optical Engineering, Vol. 55, Issue 11, 116116 (November 2016). https://doi.org/10.1117/1.OE.55.11.116116

Abstract

A repetition-frequency-controllable double Q-switched (DQS) Ho:LuAG laser at 2098.34 nm with acousto-optic modulator (AOM) and Cr²⁺:ZnS saturable absorber (SA) was investigated. The maximum output power of 5.3 W was obtained at the AOM repetition frequency (RF) of 3.72 kHz, corresponding to the slope efficiency of 29.8%. The largest pulse energy of 2.8 mJ with the shortest pulse width of 54.2 ns was observed at the AOM RF of 2.64 kHz. Compared with the passively Q-switched Ho:LuAG laser, the DQS Ho:LuAG laser could generate shorter pulse width and larger pulse energy, and its RF could be controlled by the AOM RF.

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Benrui Zhao, Yi Chen, Baoquan Yao, Zheng Cui, Shuang Bai, Hongyu Yang, Xiaoming Duan, Jiang Li, Yingjie Shen, Chuanpeng Qian, Jinhe Yuan, Tongyu Dai, Chaoyu Li, and Yubai Pan "Repetition-frequency-controllable double Q-switched Ho:LuAG laser with acousto-optic modulator and Cr²⁺:ZnS saturable absorber," Optical Engineering 55(11), 116116 (30 November 2016). https://doi.org/10.1117/1.OE.55.11.116116

Published: 30 November 2016

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