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Pulse-front-distortion in large-aperture short-pulse laser systems

Zuo Yan-Lei Zeng Xiao-Ming Huang Xiao-Jun Zhao Lei Wang Xiao Zhou Kai-Nan Zhang Ying Huang Zheng

Pulse-front-distortion in large-aperture short-pulse laser systems

Zuo Yan-Lei, Zeng Xiao-Ming, Huang Xiao-Jun, Zhao Lei, Wang Xiao, Zhou Kai-Nan, Zhang Ying, Huang Zheng
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  • Abstract views:  3164
  • PDF Downloads:  746
  • Cited By: 0
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  • Received Date:  13 January 2009
  • Accepted Date:  18 March 2009
  • Published Online:  20 December 2009

Pulse-front-distortion in large-aperture short-pulse laser systems

  • 1. 中国工程物理研究院激光聚变研究中心,绵阳 621900

Abstract: The principles of pulse-front distortions production and its possible sources in a large-aperture short-pulse laser system are described. By using Fourier optics, a theoretical model based on single-pass compression is set up for the study of the pulse-front distortion. For the first time the effects of the pulse-front distortion on the spatial and temporal properties of the output pulse from the compressor is investigated. With the model we analyze all kinds of distortion sources, including the AOPDF, the lens and the wedges by numerical simulation for a large-aperture short-pulse system. The result shows that the pulse width in the near field broadens remarkably and the pulse-front shape of the output pulse differs from that of the input pulse except in the central part in the cross section whose area is determined by the bandwidth of the system.

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