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Proceedings Paper

Recent progress of the Integration Test Bed
Author(s): Junpu Zhao; Wenyi Wang; Xuejun Fu; Jun Tang; Yanwen Xia; Lin Chen; Wei Han; Yue Liang; Sen Li; Dong Gao; Feiyue Yan; Honghuan Lin; Ji Chen; Dehuai Chen; Qihua Zhu; Kuixing Zheng; Feng Jing; Wanguo Zheng; Xiaofeng Wei
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Paper Abstract

The Integration Test Bed (ITB) is a large-aperture single-beam Nd:glass laser system, built to demonstrate the key technology and performance of the laser drivers. It uses two multipass slab amplifiers. There are four passes through the main amplifier and three passes through the booster amplifier. The output beam size is 360mm by 360mm, at the level of 1% of the top fluence. The designed output energy of ITB at 1053nm is 15kJ in a 5ns flat-in-time (FIT) pulse, the third harmonic conversion efficiency is higher than 70%. The first phase of the ITB has been completed in July 2013. A series of experiments demonstrated that laser performance meets or exceeds original design requirements. It has achieved maximum energies at 1053nm of 19.6kJ at 5ns and 21.5kJ at 10ns. Based on a pair of split third harmonic generation KDP crystals, the third harmonic conversion efficiency of about 70% and 3ω mean fluences as high as 8.4 J/cm2 have been obtained with 5ns FIT pulse.

Paper Details

Date Published: 21 November 2014
PDF: 7 pages
Proc. SPIE 9266, High-Power Lasers and Applications VII, 92660X (21 November 2014); doi: 10.1117/12.2074563
Show Author Affiliations
Junpu Zhao, China Academy of Engineering Physics (China)
Wenyi Wang, China Academy of Engineering Physics (China)
Xuejun Fu, China Academy of Engineering Physics (China)
Jun Tang, China Academy of Engineering Physics (China)
Yanwen Xia, China Academy of Engineering Physics (China)
Lin Chen, China Academy of Engineering Physics (China)
Wei Han, China Academy of Engineering Physics (China)
Yue Liang, China Academy of Engineering Physics (China)
Sen Li, China Academy of Engineering Physics (China)
Dong Gao, China Academy of Engineering Physics (China)
Feiyue Yan, China Academy of Engineering Physics (China)
Honghuan Lin, China Academy of Engineering Physics (China)
Ji Chen, China Academy of Engineering Physics (China)
Dehuai Chen, China Academy of Engineering Physics (China)
Qihua Zhu, China Academy of Engineering Physics (China)
Kuixing Zheng, China Academy of Engineering Physics (China)
Feng Jing, China Academy of Engineering Physics (China)
Wanguo Zheng, China Academy of Engineering Physics (China)
Xiaofeng Wei, China Academy of Engineering Physics (China)


Published in SPIE Proceedings Vol. 9266:
High-Power Lasers and Applications VII
Ruxin Li; Upendra N. Singh; Robert F. Walter, Editor(s)

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