2-DIMENSIONAL HYDRODYNAMICS, ATOMIC KINETICS, AND LINE TRANSFER SIMULATION FOR RECOMBINATION PUMPED SOFT-X-RAY LASERS

被引：4
|
作者：
SASAKI, A
YONEDA, H
UEDA, K
TAKUMA, H
机构：
[1] Institute for Laser Science, University of Electro-Communications, Chofu, Tokyo, 182
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 1995年 / 54卷 / 1-2期
关键词：
D O I：
10.1016/0022-4073(95)00071-R
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A 2-dimensional hydrodynamics code and an atomic kinetics code for the recombination pumped aluminum Balmer-alpha laser (lambda = 39 Angstrom) have been developed. Numerical optimization of pumping conditions such as laser intensity, pulse duration, and width of line focus to obtain gain >1 cm(-1) has been carried out. Effects of the Lyman-alpha line trapping has been included in the atomic kinetics by means of an escape probability formalism. The importance of 3-dimensional ray trace calculation to evaluate the escape probability is determined from the analysis of the spatial and temporal evolution of the population inversion.
引用
收藏
页码：353 / 360
页数：8
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