High Power Continuous Wave Yb:YAG Composite Crystal Zigzag Slab Amplifier at Room Temperature

被引：10
|
作者：
Li, Mi [1 ,2 ,3 ]
Zhou, Tangjian [1 ,2 ]
Xu, Liu [1 ,2 ]
Gao, Qingsong [1 ,2 ]
Hu, Hao [1 ,2 ]
Wu, Yingcheng [1 ,2 ]
Wang, Dan [1 ,2 ]
Li, Jianmin [1 ,2 ]
Lei, Jun [1 ,2 ]
Lv, Wenqiang [1 ,2 ]
Yu, Yi [1 ,2 ]
Wu, Zhenhai [1 ,2 ]
Zhao, Na [1 ,2 ]
机构：
[1] China Acad Engn Phys, Inst Appl Elect, Mianyang 621999, Peoples R China
[2] China Acad Engn Phys, Key Lab Sci & Technol High Energy Laser, Mianyang 621999, Peoples R China
[3] China Acad Engn Phys, Grad Sch, Beijing 100088, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2017年 / 9卷 / 06期
关键词：
Laser amplifiers; diode-pumped lasers; solid state lasers; YB-YAG; HIGH-EFFICIENCY; LASERS;
D O I：
10.1109/JPHOT.2017.2768408
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A 7.07-kW Yb:YAG composite crystal zigzag slab amplifier at room temperature is developed and demonstrated, the optical-to-optical efficiency is about 29.5% and the slope efficiency is 39.5%, respectively, with the pumping power of 19.98 kW and the incident seed laser power of 1.18 kW. The influence of the pump coupling efficiency, the intensity of the seed laser, and the temperature to the extracted power from the Yb: YAG slab are analyzed by simulation. The fluorescence distribution at the end face and the transmission wavefront of the Yb: YAG slab are measured, the nonuniformity of the fluorescence distribution is less than 6%, and the P-V value of the transmission wave front distortion is less than 1.6 mu m.
引用
收藏
页数：9
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