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Progress of the 10 J water-cooled Yb:YAG laser system in RCLF

  • Jian-Gang Zheng (a1), Xin-Ying Jiang (a1), Xiong-Wei Yan (a1), Jun Zhang (a1), Zhen-Guo Wang (a1), Deng-Sheng Wu (a1), Xiao-Lin Tian (a1), Xiong-Jun Zhang (a1), Ming-Zhong Li (a1), Qi-Hua Zhu (a1), Jing-Qin Su (a1), Feng Jing (a1) and Wan-Guo Zheng (a1)...

Abstract

The high repetition rate 10 J/10 ns Yb:YAG laser system and its key techniques are reported. The amplifiers in this system have a multi-pass V-shape structure and the heat in the amplifiers is removed by means of laminar water flow. In the main amplifier, the laser is four-pass, and an approximately 8.5 J/1 Hz/10 ns output is achieved in the primary test. The far-field of the output beam is approximately 10 times the diffraction limit. Because of the higher levels of amplified spontaneous emission (ASE) in the main amplifier, the output energy is lower than expected. At the end we discuss some measures that can improve the properties of the laser system.

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Copyright

The online version of this article is published within an Open Access environment subject to the conditions of the Creative Commons Attribution licence .

Corresponding author

Correspondence to: Zhen-Guo Wang, Mianshan Road No.64, Mianyang, Sichuan province, China, ZIP code: 621900. Email: zjg8861@163.com

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