光学
材料科学
薄磁盘
激光器
光圈(计算机存储器)
数值孔径
物理
波长
天文
声学
星星
作者
Peilin Li,Qiang Liu,Xing Fu,Mali Gong
出处
期刊:Chinese Optics Letters
[Shanghai Institute of Optics and Fine Mechanics]
日期:2013-01-01
卷期号:11 (4): 041408-41411
被引量:11
标识
DOI:10.3788/col201311.041408
摘要
A large-aperture Nd:YAG thin-disk laser directly cooled by liquid is end-pumped by two spatial self-organized laser diode arrays. The pump coupling efficiency reaches as high as 93%. Without any complex pump coupling components, the structure becomes simplified and compact. By optimizing the incident angle of the pump beam, a pump power density of 578 W/cm2 is achieved with a pump uniformity of 5.52%. Up to 1 346-W peak output power with a slope efficiency of 54.9% is obtained when pumping with a long pulse. The near-field pattern of the laser output is uniform.
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