Doubly Q-switched Tm:YAP laser based on the Cr2+:ZnS crystal and electro-optical modulator

被引：0
|
作者：
Wu, Zhujing [1 ]
Zhang, Hong [1 ]
Wang, Fangjie [1 ]
Zhu, Yuehong [1 ]
Deng, Guoliang [1 ]
Zhou, Shouhuan [1 ]
机构：
[1] Sichuan Univ, Coll Elect & Informat Engn, 24 South Sect No 1,Yihuan Rd, Chengdu 610065, Sichuan, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2024年 / 171卷
基金：
中国国家自然科学基金;
关键词：
Solid -state laser; doubly Q-switched; EOM; HIGHLY EFFICIENT; TM-YAP;
D O I：
10.1016/j.optlastec.2023.110447
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A doubly Q-switched Tm3+:YAlO3 (Tm:YAP) laser based on the Cr2+:ZnS saturable absorber (SA) and electrooptical modulator (EOM) is presented. The pulse duration of the doubly Q-switched lasers is shorter as compared to single actively and passively Q-switched operations. The shortest pulse duration of 17.3 ns with a repetition rate of 100 Hz was measured at the pump power of 12 W in the doubly Q-switched laser. The corresponding pulse peak power of 184.8 kW and the pulse energy of 3.2 mJ was obtained. The center wavelength of the doubly Q-switched operation was 1.94 mu m. The results demonstrate that Cr2+:ZnS is an excellent saturable absorber for 2 mu m Tm:YAP laser, and the doubly Q-switched operation can greatly narrow the Q-switched pulse width.
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页数：7
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