High Power Laser Science and Engineering, 2017, 5 (4): 04000e23, Published Online: Nov. 21, 2018  

Improvements in long-term output energy performance of Nd:glass regenerative amplifiers Download: 718次

Author Affiliations
National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Abstract
Optical damages, which severely degrade the output energy performance of Nd:glass regenerative amplifiers, are discussed in detail in this paper. By a series of experiments, it has been confirmed that these damages result from laser-induced contamination. Based on this work, several improvements are made to boost output energy performance of the regenerative amplifier. The output energy of the regenerative amplifier after improvements declines 4% after 1000 h of operation, much less than it used to, 60% after 560 h of operation.

Peng Zhang, Youen Jiang, Jiangfeng Wang, Wei Fan, Xuechun Li, Jianqiang Zhu. Improvements in long-term output energy performance of Nd:glass regenerative amplifiers[J]. High Power Laser Science and Engineering, 2017, 5(4): 04000e23.

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