Dual-wavelength passively Q-switched Ho:GdVO4 self-Raman laser operating at 2473 nm and 2520 nm

被引：5
|
作者：
Kang, Panqiang [1 ]
Zhang, Xinlu [1 ]
Jing, Xiaofan [1 ]
Chen, Conghui [1 ]
Pang, Shuai [1 ]
Huang, Jinjer
机构：
[1] Tiangong Univ, Sch Phys Sci & Technol, Tianjin 300387, Peoples R China
来源：
OPTICS LETTERS | 2023年 / 48卷 / 13期
基金：
中国国家自然科学基金;
关键词：
MU-M; GDVO4; CONVERSION; OUTPUT; POWER; YVO4; TM;
D O I：
10.1364/OL.496472
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A dual-wavelength passively Q-switched Ho:GdVO4 self-Raman laser in the 2.5 mu m wave band was demonstrated with Cr:ZnS as a saturable absorber. Synchronized dual-wavelength pulsed laser outputs at 2473nm and 2520nm were acquired, corresponding to Raman frequency shifts of 808 cm(-1) and 883 cm(-1), respectively. The maximum total average output power of 114.9mW was obtained at an incident pump power of 12.8 W with a pulse repetition rate of 3.57 kHz and a pulse width of 16.36 ns. The maximum total single pulse energy was 32.18 mu J, corresponding to a total peak power of 1.97 kW. The power ratios of the two Raman lasers can be controlled by varying the incident pump power. To the best of our knowledge, this is the first time a dual-wavelength passively Q-switched self-Raman laser in the 2.5 mu m wave band has been reported. (c) 2023 Optica Publishing Group
引用
收藏
页码：3495 / 3498
页数：4
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