Analysis of time-of-flight spectra of ions emitted from laser-generated plasmas

被引：4
|
作者：
Krasa, J. [1 ]
Jungwirth, K. [1 ]
Krousky, E. [1 ]
Laska, L. [1 ]
Rohlena, K. [1 ]
Ullschmied, J. [2 ]
Velyhan, A. [1 ]
机构：
[1] ASCR, Inst Phys, Prague, Czech Republic
[2] ASCR, Inst Plasma Phys, Prague, Czech Republic
来源：
RADIATION EFFECTS AND DEFECTS IN SOLIDS | 2008年 / 163卷 / 4-6期
关键词：
laser-produced plasma; time-resolved current deconvolution; ion energy distribution; drift velocity of ions; polyethylene target;
D O I：
10.1080/10420150701778080
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The appropriate analysis of time-of-flight (TOF) spectra of ion currents can give fundamental details in establishing the mechanisms responsible for the ion emission from a laser-created plasma. Some aspects of time-resolved ion currents measured with ion collectors are discussed. A deconvolution of TOF spectra, which is based on the use of Kelly Dreyfus function, is used to measure the temperatures and the centre-of-mass velocities of H(+) and C(q+) (1 <= q <= 6) ions emitted from a polyethylene target irradiated by the 3(rd) harmonics (lambda = 438 nm) of an iodine laser up to the intensity value of 2.5 x 10(16) W/cm(2).
引用
收藏
页码：419 / 427
页数：9
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