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曹柱荣, 王强强, 邓博, 等. 激光聚变极端环境下X光高速摄影技术研究进展[J]. 强激光与粒子束, 2020, 32: 112004. doi: 10.11884/HPLPB202032.200099
引用本文: 曹柱荣, 王强强, 邓博, 等. 激光聚变极端环境下X光高速摄影技术研究进展[J]. 强激光与粒子束, 2020, 32: 112004. doi: 10.11884/HPLPB202032.200099
Cao Zhurong, Wang Qiangqiang, Deng Bo, et al. Progress of X-ray high-speed photography technology used in laser driven inertial confinement fusion[J]. High Power Laser and Particle Beams, 2020, 32: 112004. doi: 10.11884/HPLPB202032.200099
Citation: Cao Zhurong, Wang Qiangqiang, Deng Bo, et al. Progress of X-ray high-speed photography technology used in laser driven inertial confinement fusion[J]. High Power Laser and Particle Beams, 2020, 32: 112004. doi: 10.11884/HPLPB202032.200099

激光聚变极端环境下X光高速摄影技术研究进展

doi: 10.11884/HPLPB202032.200099
基金项目: 国家自然科学基金项目(11675157;11805180)
详细信息
    作者简介:

    曹柱荣(1977-),男,硕士,研究员,从事激光核聚变诊断技术研究;cao33jin@aliyun.com

  • 中图分类号: TB872;TB873;TN151

Progress of X-ray high-speed photography technology used in laser driven inertial confinement fusion

  • 摘要: 在激光惯性约束聚变(ICF)研究中,通过X光高速摄影获取的图像数据能够反映等离子体中由于做功和能量输运导致的流体状态的时空演化信息,与之相关的诊断技术与工程研究一直以来都是ICF诊断能力建设的重要组成部分。介绍了作为我国ICF工程的主要实施单位之一,中国工程物理研究院激光聚变研究中心近年来在X光高速摄影技术研究方面取得重要进展,包括:(1)面向神光系列激光装置,开发了系列工程化的100 ps曝光高速摄影相机,整体达到国际先进水平,并在高灵敏探测、透射式带通滤波和结构小型化等方面形成中国特色;(2)提出微扫描门控、同视扫描分幅等10 ps曝光X光高速摄影新技术,为突破时间分辨瓶颈做出有益尝试;(3)在国内率先开展抗辐射加固高速摄影相机理论设计、技术验证与工程设计;(4)针对激光聚变靶碎片对设备安全的威胁,在国内首次开展靶碎片的理论建模与仿真研究,并开展首次验证实验,取得重要进展。
  • 图  1  X光高速摄影诊断技术在间接驱动惯性约束聚变实验研究中的应用

    Figure  1.  Application of X-ray high-speed photography diagnostic technology in indirect drive inertial confinement fusion (ICF)

    图  2  中国工程物理研究院激光聚变研究中心开发的气室型X光分幅相机系统构成及技术性能

    Figure  2.  Performance of X-ray framing camera system developed by Laser Fusion Research Center (LFRC),China Academy of Engineering Physics (CAEP)

    图  3  中国工程物理研究院激光聚变研究中心研发的X光分幅相机

    Figure  3.  X-ray framing camera developed by LFRC, CAEP

    图  4  脉冲展宽门控成像原理

    Figure  4.  Working principle of dilation X-ray imager

    图  5  中国工程物理研究院激光聚变研究中心研发的卖场展宽成像系统

    Figure  5.  Dilation X-ray imager developed by LFRC,CAEP

    图  6  微扫描皮秒门控技术原理

    Figure  6.  Working principle of micro-sweep picosecond gate technology

    图  7  在MCNP中建立的大型激光装置辐射仿真模型

    Figure  7.  Simulation model established in MCNP in 3D space

    图  8  限重加固方案对CCD综合防护效果实验验证

    Figure  8.  Experimental verification of the integrated hardening effect of the weight-limiting scheme on CCD

    图  9  不同时刻靶碎片空间分布图

    Figure  9.  Spatial distribution of target debris at different times

    图  10  靶碎片测量系统照片

    Figure  10.  Target debris measurement system

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  • 收稿日期:  2020-04-28
  • 修回日期:  2020-07-28
  • 刊出日期:  2020-09-13

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