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

Author Affiliations +

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.

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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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