Rosseland mean opacity of a high-Z mixture plasma

被引：0
|
作者：
Yang, JM
Xu, Y
Ding, YN
Ding, YK
Jiang, SE
Zheng, ZJ
Miao, WY
机构：
[1] Res Ctr Laser Fus, Natl Key Lab Laser Fus, Mianyang 621900, Peoples R China
[2] Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2003年 / 20卷 / 02期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An eight-beam 0.351-mum laser with pulse duration of about 1.0ns and energy of 260 J per beam was injected into a cylindrical cavity to generate intense x-ray radiation on the Shengguang II high power laser facility. A mixture foil of gold and gadolinium and a gold foil were attached on portion of a diagnostic hole in the mid-plane of the cavity and ablated by the intense x-ray radiation. The propagating time of the radiation heat wave in the mixture and the pure gold foil were measured with soft-x-ray spectrometer and by adopting space- and time-resolved measurement technology, respectively. The results show that the mixture of gold and gadolinium has higher Rosseland mean opacity than the gold sample in our experiment.
引用
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页码：256 / 258
页数：3
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