COMPUTATIONAL MODEL FOR NON-LTE ATOMIC PROCESS IN LASER-PRODUCED PLASMAS

被引：43
|
作者：
TAKABE, H [1 ]
NISHIKAWA, T [1 ]
机构：
[1] OKAYAMA UNIV,DEPT ELECT & ELECTR ENGN,OKAYAMA 700,JAPAN
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 1994年 / 51卷 / 1-2期
关键词：
D O I：
10.1016/0022-4073(94)90101-5
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A computational model for simulating hydro-radiation phenomena has been studied relating to the partially ionized gold plasma produced by irradiation of intense laser light. The screened hydrogenic model with l-splitting effect and the average ion model are used to determine the atomic state of gold ions in the collisional radiative equilibrium. A statistical method is used to evaluate the spectral opacity and emissivity due to the clusters of line transitions. The x-ray conversion rate and spectrum calculated with the hydrodynamic code ILESTA coupled with the opacity and emissivity are compared with those observed experimentally.
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收藏
页码：379 / 395
页数：17
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