Sapphire-conductive end-cooling of high power cryogenic Yb:YAG lasers

被引：0
|
作者：
S. Tokita
J. Kawanaka
M. Fujita
T. Kawashima
Y. Izawa
机构：
[1] Osaka University,Institute of Laser Engineering
[2] Institute for Laser Technology,undefined
[3] Central Research Laboratory,undefined
来源：
Applied Physics B | 2005年 / 80卷
关键词：
42.55.Rz; 42.55.Xi;
D O I：
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中图分类号：
学科分类号：
摘要：
We have demonstrated a high-power laser oscillator with end-cooling using a sapphire-sandwiched Yb:YAG disk at near liquid nitrogen temperature. An output power of 75 W with a near-diffraction-limited beam was obtained from a 0.6-mm thick activemedium. The slope efficiency and themaximum optical–optical efficiency were 80 and 70%, respectively, with respect to absorbed pump power.
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页码：635 / 638
页数：3
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