Liquid-cooled ceramic Nd:YAG split-disk amplifier for high-average-power laser |
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| Authors: | Hajime Okada Hidetsugu Yoshida Hisanori Fujita Masahiro Nakatsuka |
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| Institution: | Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan |
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| Abstract: | A liquid-cooled ceramic Nd:YAG split-disk laser amplifier has been designed for a high-average-power laser system. The maximum average output power of 17.1 W (1.71 J at 10 Hz) and the beam size of far-field pattern with 1.5 times diffraction limit was obtained. The combination of liquid cooling for disk laser material and wavefront compensation with a phase conjugation mirror was demonstrated. The wavefront degradation by liquid cooling was observed and measured with Michelson interferometer and far-field patterns. |
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| Keywords: | 42 60 &minus v 42 60 By 42 65 Hw |
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