辐射驱动内爆流线实验测量

doi:10.7498/aps.61.155208

摘要
参考文献(11)
相关文章 (6)

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摘要：

内爆速度的测量是惯性约束聚变研究中的核心问题, 是判断聚变点火反应的关键物理量. 在神光II激光装置上, 利用KB显微镜配合时间分辨为10 ps的条纹相机, 对1600 J激光能量注入, 3倍频, 脉宽为1 ns黑腔辐射驱动CH靶球, 获得了清晰的辐射驱动内爆流线轨迹X射线图像. 通过流线轨迹图像给出了最大内爆速度为160 km/s. 利用Multi1D程序对内爆压缩流线和壳层速度变化进行了模拟, 实验数据和理论模拟较符合.

关键词： KB显微镜 X射线条纹相机辐射驱动内爆流线

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	董建军
	曹柱荣
	杨正华
	陈伯伦
	黄天暄
	邓博
	刘慎业
	江少恩
	丁永坤
	伊圣振
	穆宝忠

Abstract：

The measurement of implosion velocity is the core problem of inertial confinement fusion and it is also a key quantity of estimation of fusion ignition. A clear implosion trajectory X-ray image of hohlraum-radiative-driven CH-capsule is obtained in Sheng-GuangII laser facility with 1600 J laser energy, triple frequency and 1 ns pulse width. KB-microscope coupled with X-ray streak camera whose temporal resolution is about 10 ps is used for diagnosis. The maximal velocity of implosion is about 160 km/s which can be extracted from the experimental trajectory data. The experimental data are compared with Multi1D simulation results of velocity and both are in good agreement with each other.

Keywords： KB microscope X-ray streak camera radiation drive implosion trajectory

收稿日期: 2011-09-21

PACS:

52.70.-m

(Plasma diagnostic techniques and instrumentation)

基金:

国家自然科学基金(批准号: 10905050)和中国工程物理研究院科学技术发展基金(批准号: 2010B0102015)资助的课题.

引用本文:

董建军,曹柱荣,杨正华等 . 辐射驱动内爆流线实验测量. 物理学报, 2012, 61(15): 155208.

Cite this article:

Dong Jian-Jun,Cao Zhu-Rong,Yang Zheng-Hua et al. Measurement of implosion trajectory for hohlraum-radiative-driven. Acta Phys. Sin., 2012, 61(15): 155208.

URL:

http://wulixb.iphy.ac.cn/CN/Y2012/V61/I15/155208 或 http://wulixb.iphy.ac.cn/CN/10.7498/aps.61.155208

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