Effect of ambient pressure on the generation and the propagation of plasmas produced by pulsed laser ablation of metal Al in air

被引：12
|
作者：
Man, BY [1 ]
Wang, XT [1 ]
Wang, GT [1 ]
机构：
[1] Shandong Normal Univ, Dept Phys, Jinan 250014, Peoples R China
来源：
APPLIED SPECTROSCOPY | 1997年 / 51卷 / 12期
关键词：
laser plasma; time-resolved spectroscopy; stopping power; projected range;
D O I：
10.1366/0003702971939758
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Simultaneous time-and space-resolved emission spectra from a Nd: YAG laser-ablated plasma on an Al target have yielded quantitative information on the generation and the propagation of species in the plasma. Five ambient pressures from atmosphere to 5 Pa were chosen. The experimental results showed that the characteristics of the species in the plasma were strongly influenced by the ambient pressure. The mean spatially projected ranges of Al2+ ions in the atmosphere of different densities were calculated in theory, and the slowing-down processes were simulated by using a popular Monte Carlo simulation program, TRIM90. The calculated results can be used to explain observed experimental phenomena.
引用
收藏
页码：1910 / 1915
页数：6
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