Abstract

This paper presents a gain-switched Ho:YAG laser at 2090 nm, pumped by a passively Q switched Tm:YLF. A pulse duration of 3.35 ns is achieved with a pulse energy of 0.7 mJ at 1.3-kHz repetition rate, corresponding to 209-kW peak power. The pump energy is 2.8 mJ, corresponding to 25% conversion efficiency with 37% slope efficiency. This laser performance with its compact design can be implemented in applications that require short pulse durations that have not been addressed to date.

© 2022 Optica Publishing Group

Cr²⁺: CdSe passively Q-switched Ho: YAG laser

Encai Ji, Mingming Nie, Xing Fu, Zhouguo Guan, and Qiang Liu
Opt. Lett. 42(13) 2555-2558 (2017)

Short pulse-width gain-switched Ho:YAG ceramic laser at ∼2.09  μm

Jianing Zhang, QiYao Liu, Deyuan Shen, Jian Zhang, Dingyuan Tang, and Hao Chen
Appl. Opt. 55(8) 1890-1893 (2016)

231  W dual-end-pumped Ho:YAG MOPA system and its application to a mid-infrared ZGP OPO

Ben-Rui Zhao, Bao-Quan Yao, Chuan-Peng Qian, Gao-You Liu, Yi Chen, Rui-Xue Wang, Tong-Yu Dai, and Xiao-Ming Duan
Opt. Lett. 43(24) 5989-5992 (2018)

Actively Q switched radially polarized Ho:YAG laser with an intra-cavity laser-written S-waveplate

Matthew J. Barber, Peter C. Shardlow, Yuhao Lei, Peter G. Kazansky, and W. Andrew Clarkson
Opt. Lett. 47(17) 4508-4511 (2022)

High-power Cr²⁺:ZnS saturable absorber passively Q-switched Ho:YAG ceramic laser and its application to pumping of a mid-IR OPO

Baoquan Yao, Jinhe Yuan, Jiang Li, Tongyu Dai, Xiaoming Duan, Yingjie Shen, Zheng Cui, and Yubai Pan
Opt. Lett. 40(3) 348-351 (2015)