High-Efficiency High-Power Nd:YAG Laser under 885 nm Laser Diode Pumping

被引：0
|
作者：
Li Fang-Qin [1 ,3 ]
Zhang Xiao-Fu [1 ,3 ]
Zong Nan [1 ,3 ]
Yang Jing [2 ,3 ]
Peng Qin-Jun [2 ]
Cui Da-Fu [2 ]
Xu Zu-Yan [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Funct Crystal & Technol, RCLPT, Beijing 100190, Peoples R China
[3] Chinese Acad Sci, Grad Sch, Beijing 100190, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2009年 / 26卷 / 11期
基金：
中国国家自然科学基金;
关键词：
ND-YAG LASER; EMISSION; CRYSTALS; LEVEL;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A high-efficiency high-power Nd:YAG laser under 885 nm laser diode (LD) pumping is demonstrated. The laser crystal is carefully designed, and the overlapping between the pump modes and the laser modes is optimized. The maximum output power at 1064 nm is 87 W under the absorbed pump power 127.7 W, corresponding to a slope efficiency of 72.4% and an optical-optical efficiency of 68.1%. The optical-optical efficiency is 58.4% for the pump power emitted directly from the LD. To our best knowledge, this is the maximal optical-optical conversion efficiency obtained for the LD end-pumped Nd: YAG lasers so far.
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页数：3
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