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Proceedings Paper

Adaptive compensation of a direct liquid-cooled solid-state MOPA system
Author(s): Lizhi Dong; Shanqiu Chen; Xiaojun Chen; Wenjin Liu; Ke Hu; Boheng Lai; Ping Yang; Shuai Wang; Xing He; Bing Xu; Le Liu; Yang Liu; Zhe Wang; Gang Wang
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Paper Abstract

Direct liquid-cooling is a promising way of power scaling and heat management for solid-state lasers. A side-pumped direct liquid-cooled solid-state pulsed zigzag MOPA system is established based on this advanced concept. However, its beam quality is degraded by the thermal distortions in the non-zigzag direction and the flowing coolant. We develop an adaptive optics system to improve its beam quality, which primarily includes a low-order aberration compensator and a 59-actuator deformable mirror. The beam is first corrected by the low-order aberration compensator to remove large defocus and astigmatism, and its size is reshaped simultaneously to fulfill the demands of applications. Then the beam is further corrected by the deformable mirror. With collaborative operation of the low-order aberration compensator and the deformable mirror, we have achieved average beam quality of β=2.8.

Paper Details

Date Published: 20 September 2016
PDF: 7 pages
Proc. SPIE 9982, Unconventional Imaging and Wavefront Sensing XII, 99820H (20 September 2016); doi: 10.1117/12.2236823
Show Author Affiliations
Lizhi Dong, Institute of Optics and Electronics (China)
Shanqiu Chen, Institute of Optics and Electronics (China)
Xiaojun Chen, Institute of Optics and Electronics (China)
Univ. of Chinese Academy of Sciences (China)
Wenjin Liu, Institute of Optics and Electronics (China)
Ke Hu, Institute of Optics and Electronics (China)
Univ. of Chinese Academy of Sciences (China)
Boheng Lai, Institute of Optics and Electronics (China)
Univ. of Chinese Academy of Sciences (China)
Ping Yang, Institute of Optics and Electronics (China)
Shuai Wang, Institute of Optics and Electronics (China)
Univ. of Chinese Academy of Sciences (China)
Xing He, Institute of Optics and Electronics (China)
Univ. of Chinese Academy of Sciences (China)
Bing Xu, Institute of Optics and Electronics (China)
Le Liu, Science and Technology on Solid-State Laser Lab. (China)
Yang Liu, Science and Technology on Solid-State Laser Lab. (China)
Zhe Wang, Science and Technology on Solid-State Laser Lab. (China)
Gang Wang, Science and Technology on Solid-State Laser Lab. (China)


Published in SPIE Proceedings Vol. 9982:
Unconventional Imaging and Wavefront Sensing XII
Jean J. Dolne; Thomas J. Karr; David C. Dayton, Editor(s)

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