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

页码：419 / 427

页数：9

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