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Method to measure the temporal resolution of x-ray framing camera

机译：测量x射线成帧相机时间分辨率的方法

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摘要

X-ray framing camera (XFC) is usually used as the principal diagnostic tool in inertial confinement fusion research. The methods on how to precisely calibrate the temporal resolution are important topics for XFC with several picoseconds gate time. A method to measure the temporal resolution of XFCs is proposed based on a high-power subpicosecond ultraviolet laser facility called LLG-ultimate. In our method, series of duraluminium alloy stepped reflective surfaces are used to separate the incident laser beam into sequentially delayed beams with equal size, spacing, and time interval. The temporal resolution of XFC can be measured if the sequentially delayed beams irradiate a gold photocathode microstrip line while the high-voltage pulse transferring along the same area simultaneously. A Fabry-Perot etalon is placed in the light path, improving the probability of synchronization of the voltage pulse and laser pulse. The accuracy of this measurement method can be very high by reducing the time interval of the sequentially delayed beams.
机译：X射线成帧相机（XFC）通常用作惯性约束聚变研究的主要诊断工具。如何精确校准时间分辨率的方法对于XFC具有几个皮秒的选通时间至关重要。提出了一种基于LLG-ultimate的高功率亚皮秒紫外激光设备，用于测量XFC的时间分辨率。在我们的方法中，使用一系列的硬铝合金阶梯状反射表面将入射激光束分成大小，间距和时间间隔相等的顺序延迟的光束。如果依次延迟的光束同时沿同一区域传输高压脉冲，则照射金光阴极微带线可以测量XFC的时间分辨率。法布里-珀罗标准具放置在光路中，提高了电压脉冲和激光脉冲同步的可能性。通过减少顺序延迟的光束的时间间隔，此测量方法的精度可以非常高。

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  • 来源
    《Optical engineering》 |2018年第7期|074101.1-074101.5|共5页
  • 作者

    Zheng Yuan; Tao Chen; Zhiwen Yang; Jin Li; Zhurong Cao; Bingjing Wu; Wenbo Qi; Feng Wang; Jiamin Yang;

  • 作者单位

    Chinese Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China;

    Chinese Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China;

    Chinese Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China;

    Chinese Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China;

    Chinese Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China;

    Chinese Academy Sciences, Xi'an Institute of Optics and Precision Mechanics, Xi'an, China;

    Chinese Academy Sciences, Xi'an Institute of Optics and Precision Mechanics, Xi'an, China;

    Chinese Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China;

    Chinese Academy of Engineering Physics, Research Center of Laser Fusion, Mianyang, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    x-ray framing camera; temporal resolution; calibration; beam separate-and-delay;

    机译：X射线取景照相机时间分辨率;校准;光束分离和延迟;

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