ENHANCED X-RAY-LINE EMISSION IN LASER-PRODUCED PLASMAS EXPANDING IN A BACKGROUND GAS

被引：7
|
作者：
NAIK, PA
GUPTA, PD
KUMBHARE, SR
机构：
[1] Laser Programme, Centre for Advanced Technology
来源：
PHYSICAL REVIEW A | 1991年 / 43卷 / 08期
关键词：
D O I：
10.1103/PhysRevA.43.4540
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The interaction of highly charged ions of a laser-produced plasma with a background gas medium is studied through space-resolved x-ray spectroscopy in the expansion region of up to several millimeters. Two regions of enhanced x-ray line emission from H- and He-like magnesium ions are observed in the plasma produced by a 3-GW, 5-ns Nd:glass laser, expanding in either helium or nitrogen gas in the pressure range 0.1-10 Torr. The role of three-body recombination and charge-exchange processes in populating the excited states of ions during the interaction is discussed.
引用
收藏
页码：4540 / 4543
页数：4
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