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550-W diode-pumped Nd:YAG disk laser

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Abstract

When a thin laser crystal disk is used with a nearly flat-top pump profile, the heat flux can be considered to be one-dimensional. This results in a homogeneous temperature and stress profile within the laser medium leading to reduction of thermal effects. A nearly flat-top pump profile is achieved with a two-pass cylindrical-lens coupling system. An average output power of 550 W is obtained by an average pumping power of 1650 W with a 40-mm diameter Nd:YAG disk. The optical-optical efficiency is 33%.

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所属栏目:lasers and laser optics

收稿日期:2005-03-25

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作者单位    点击查看

Zhenyu Yao:Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900
Jianfeng Jiang:Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900
Bo Tu:Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900
Tangjian Zhou:Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900
Lingling Cui:Institute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900

联系人作者:Zhenyu Yao(yaozhenyu88@yahoo.com.cn)

备注:This work was supported by the National "863" Program of China under Grant No. 2004AA821160. Z. Yao's e-mail address is yaozhenyu88@yahoo.com.cn

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