60 mm-aperture high average output power Nd:YAG composite ceramic disk laser

被引：2
|
作者：
Du, Jinyu [1 ,2 ,3 ]
Yu, Yi [2 ]
An, Xiangchao [2 ]
Shang, Jianli [2 ]
Lei, Jun [2 ]
Jiang, Jianfeng [2 ]
Jiang, Lin [2 ]
Lv, Wenqiang [2 ]
Fan, Guobin [2 ,4 ]
Gao, Qingsong [2 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Jiangsu, Peoples R China
[2] China Acad Engn Phys, Inst Appl Elect, Mianyang 621900, Peoples R China
[3] China Acad Engn Phys, Grad Sch, Mianyang 621900, Peoples R China
[4] China Acad Engn Phys, Mianyang 621900, Peoples R China
来源：
OPTIK | 2018年 / 172卷
关键词：
Disk lasers; High power lasers; Nd:YAG; Hexagonal waveguide; Axisymmetric micro-channel cooler;
D O I：
10.1016/j.ijleo.2018.06.129
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A laser with 60 mm-aperture composite ceramic disk pumped by laser diode arrays was developed. By optimizing waveguide and imaging lens, a pump power peak power of 75 kW, density of 318 W/cm2 is achieved with a pump uniformity of 96% by using a hexagonal waveguide. The temperature distribution and axial deformation of the cooler were optimized, and the axisymmetric micro-channel cooler was designed. Up to 2.3 kW average output power with an optical optical efficiency of 37% is obtained in the stable resonator when pumping with a long-pulse.
引用
收藏
页码：197 / 202
页数：6
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