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Development of a sub-petawatt ultrashort laser facility

机译：亚拍级超短激光设备的开发

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摘要

The paper presents the development of a sub-petawatt ultrashort laser facility, i.e. the upgraded super intense laser for experiment on the extremes (SILEX-I). The facility is a multi-stage Ti:sapphire chirped pulse amplification (CPA) laser system. Cross-polarized wave generation was used to improve the temporal contrast. An adaptive optical system was utilized to correct wavefront aberrations and to improve focusability before each shot. After upgrading, the maximum energy is 20.1 J, the recompressed pulse width is 26.8 fs and the peak power is up to 750 TW. The temporal contrast is around 10~9. The on-target focal spot size (full width at half maximum (FWHM)) is Φ6.5 μm and the focused intensity is greater than 4×10~(20) W/cm~2.
机译：本文介绍了亚皮瓦级超短激光设备的发展，即用于极端实验的升级超强激光器（SILEX-1）。该设施是一个多级Ti：蓝宝石pulse脉冲放大（CPA）激光系统。使用交叉极化波产生来改善时间对比度。利用自适应光学系统校正波前像差并提高每次拍摄前的聚焦能力。升级后，最大能量为20.1 J，重新压缩的脉冲宽度为26.8 fs，峰值功率高达750 TW。时间对比度在10〜9左右。目标上的焦点尺寸（半峰全宽（FWHM））为Φ6.5μm，聚焦强度大于4×10〜（20）W / cm〜2。

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  • 来源
    《High-power lasers and applications VII》|2014年|92661P.1-92661P.6|共6页
  • 会议地点 Beijing(CN)
  • 作者

    Xiaodong Wang; Qihua Zhu; Jingqin Su; Na Xie; Dongbin Jiang; Kainan Zhou; Xiaojun Huang; Xiaoming Zeng; Yi Guo; Li Sun; Qing Li;

  • 作者单位

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

    Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, PO Box 919-988, Mianyang, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    ultraintense and ultrashort laser; temporal contrast; cross-polarized wave generation; beam quality;

    机译：超强超短激光；时间对比；交叉极化波产生；光束质量;

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