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1.57 times diffraction-limit high-energy laser based on a Nd:YAG slab amplifier and an adaptive optics system [Cover Paper]

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Abstract

In this Letter, a 116-actuator deformable mirror (DM) was used to correct the wavefront distortion in a 10.7?J, 10?Hz neodymium-doped yttrium aluminum garnet (Nd:YAG) slab amplifier. By applying a pump-light homogenizer to transform the 3?×?1 near-field beam array into an integrated beam, the beam quality was greatly improved from 5.54 times diffraction limit (TDL) to 1.57 TDL after being corrected by the DM. To the best of our knowledge, this is the first investigation on beam quality control of an arrayed near-field beam in high-energy diode-pumped solid-state lasers.

Newport宣传-MKS新实验室计划
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DOI:10.3788/COL201917.051403

所属栏目:Lasers and laser optics

基金项目:This work was supported by the National Natural Science Foundation of China (No.?61775112), the Natural Science Foundation of Beijing Municipality (No.?4172030), and the Beijing Young Talents Support Project (No.?2017000020124G044).

收稿日期:2018-12-21

录用日期:2019-02-22

网络出版日期:2019-05-13

作者单位    点击查看

Licheng Sun:Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
Tinghao Liu:Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
Xing Fu:Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
Yading Guo:Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Xiaojun Wang:Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Chongfeng Shao:Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Yamin Zheng:Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
Chuang Sun:Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
Shibing Lin:Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
Lei Huang:Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China

联系人作者:Lei Huang(hl@tsinghua.edu.cn)

备注:This work was supported by the National Natural Science Foundation of China (No.?61775112), the Natural Science Foundation of Beijing Municipality (No.?4172030), and the Beijing Young Talents Support Project (No.?2017000020124G044).

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引用该论文

Licheng Sun, Tinghao Liu, Xing Fu, Yading Guo, Xiaojun Wang, Chongfeng Shao, Yamin Zheng, Chuang Sun, Shibing Lin, Lei Huang, "1.57 times diffraction-limit high-energy laser based on a Nd:YAG slab amplifier and an adaptive optics system," Chinese Optics Letters 17(5), 051403 (2019)

CrossRef返回数据

【1】Yu Chen, Li Zhang, Lintong Ke, Ke Feng, Wentao Wang, Jiansheng Liu. Optimal design of an adaptive optical system for improving the focusing capability of a high-field laser. Laser Physics, 2019, 29(11): 115301 

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