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High-beam-quality, 5.4 J, 5 Hz diode-pumped Nd:YAG active mirror laser amplifier

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Abstract

A high-beam-quality diode-pumped neodymium-doped yttrium aluminum garnet (Nd:YAG) active mirror laser amplifier was demonstrated. The size of the Nd:YAG crystal was 48 mm?×?42 mm?×?11 mm with 0.6 at.% Nd doped. When the pump energy was 26.8 J and the input energy was 0.3 J, the output pulse energy reached 5.4 J, and the pulse width of 11.3 ns at a 5 Hz repetition rate was obtained for the two gain modules in three-pass amplification, with corresponding optical-to-optical efficiency of 21.2%. The beam quality was measured as Mx2=2.48 and My2=2.43 in horizontal and vertical directions, respectively.

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DOI:10.3788/col201816.121402

所属栏目:Lasers and laser optics

收稿日期:2018-07-19

录用日期:2018-10-24

网络出版日期:2018-11-27

作者单位    点击查看

Jing Liu:Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Lei Li:Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Xiangchun Shi:Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Rufeng Chen:Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Jianlei Wang:Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Weibiao Chen:Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

联系人作者:Jianlei Wang(wangjl@siom.ac.cn)

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引用该论文

Jing Liu, Lei Li, Xiangchun Shi, Rufeng Chen, Jianlei Wang, Weibiao Chen, "High-beam-quality, 5.4 J, 5 Hz diode-pumped Nd:YAG active mirror laser amplifier," Chinese Optics Letters 16(12), 121402 (2018)

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