A 0.97-W passively Q-switched Tm:YAP laser with a WSe2 saturable absorber

Liang Zhang; Hongda Zhang; Wei Sun; Jingyuan Chi; Lijun Fu; Yanling Guan; Han Wang; Ziqiu Jiang; Xiaodan Wang

doi:10.1117/12.2587133

12 March 2021 A 0.97-W passively Q-switched Tm:YAP laser with a WSe2 saturable absorber

Liang Zhang, Hongda Zhang, Wei Sun, Jingyuan Chi, Lijun Fu, Yanling Guan, Han Wang, Ziqiu Jiang, Xiaodan Wang

Proceedings Volume 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications; 117634Z (2021) https://doi.org/10.1117/12.2587133
Event: Seventh Symposium on Novel Photoelectronic Detection Technology and Application 2020, 2020, Kunming, China

Abstract

A passively Q-switched (PQS) Tm:YAP laser was faultlessly realized with the WSe2 nanosheets as the saturable absorber (SA). A 0.97-W average output power at 1987.5 nm and a 459.0-ns pulse duration were obtained with a 9.5% optical conversion efficiency, and a 11.2-μJ pulse energy and a 24.4-W peak power were gained with a 10.2-W pump power. In addition, the beam quality factors of 2 1.11 x M²_x = and 2 1.16 y M²_y = were obtained from Tm:YAP laser in continuous wave (CW) with the output power of 2W.

Citation Download Citation

Liang Zhang, Hongda Zhang, Wei Sun, Jingyuan Chi, Lijun Fu, Yanling Guan, Han Wang, Ziqiu Jiang, and Xiaodan Wang "A 0.97-W passively Q-switched Tm:YAP laser with a WSe2 saturable absorber", Proc. SPIE 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications, 117634Z (12 March 2021); https://doi.org/10.1117/12.2587133

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