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首页> 外文期刊>Optics Letters >165-W cryogenically cooled Yb:YAG laser
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165-W cryogenically cooled Yb:YAG laser

机译:165瓦低温冷却Yb:YAG激光器

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摘要

Thermo-optic distortions often limit the beam quality and power scaling of high-average-power lasers. Cryogenically cooled Yb:YAG is used to efficiently generate 165 W of near-diffraction-limited beam from a power oscillator with negligible thermo-optic effects. End pumped with 215 W of incident pump power from two diode modules, the laser has an optical-optical efficiency of 76%, a slope efficiency of 85%, and an M~(2) value of 1.02.
机译:热光畸变通常会限制高平均功率激光器的光束质量和功率缩放。低温冷却的Yb:YAG用于从功率振荡器有效地产生165 W的近衍射极限光束,而其热光效应可忽略不计。从两个二极管模块以215 W的入射泵浦功率泵浦末端,该激光器的光学效率为76%,斜率效率为85%,M〜(2)值为1.02。

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