High-power continuous-wave and high-energy Q-switched miniature Yb:Y3Ga5O12 crystal lasers

被引：5
作者：
Han, Wenjuan [1 ,2 ]
Wang, Lisha [1 ,2 ]
Chen, Xiaowen [1 ,2 ]
Xia, Linhua [1 ]
Yu, Haohai [3 ]
Zhang, Huaijin [3 ]
Liu, Junhai [1 ,2 ]
机构：
[1] Qingdao Univ, Coll Phys, Qingdao 266071, Peoples R China
[2] Qingdao Univ, Key Lab Photon Mat & Technol Univ Shandong, Qingdao 266071, Peoples R China
[3] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2016年 / 14卷 / 01期
关键词：
EFFICIENT; OPERATION;
D O I：
10.3788/COL201614.011407
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on the continuous-wave (CW) and passive Q-switching performance of a miniature Yb:Y3Ga5O12 crystal laser end pumped by a 935-nm diode laser. A maximum CW output power of 12.03 W is produced with an optical-to-optical efficiency of 54.4%, while the slope efficiency is 63%. In the passively Q-switched operation achieved with a Cr4+:YAG saturable absorber, an average output power of 2.12 W at 1025.2 nm is generated with a slope efficiency of 46% at a pulse repetition rate of 5.0 kHz. The pulse's energy, duration, and peak power are 424 mu J, 2.3 ns, and 184.3 kW, respectively.
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页数：5
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