Interaction of a laser-produced plume with a second time delayed femtosecond pulse

被引：73

作者：

Scuderi, D ^{[1
]}

Albert, O ^{[1
]}

Moreau, D ^{[1
]}

Pronko, PP ^{[1
]}

Etchepare, J ^{[1
]}

机构：

[1] CNRS, UMR 7639, Ecole Polytech, ENSTA,Lab Opt Appl, F-91761 Palaiseau, France

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 07期

关键词：

D O I：

10.1063/1.1864242

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Time resolved emission spectroscopy coupled with a secondary time-delayed femtosecond pulse technique has been used to study laser-matter interaction that occurs within ablation processes from a solid target, in the 10(12)-10(14) W /cm(2) energy range. It allows an examination of the emitted optical signals that characterize the species escaping from the target, namely ions, neutrals, and nanoparticles. Size distributions of nanoparticles are deduced from an analysis of the deposition substrate. The newest result concerns the huge drop of emission signal from the nanoparticles, which occurs at a delay (0.8 < Deltat < 1 ns) and has been attributed to a fragmentation process. (C) 2005 American Institute of Physics.

引用

页码：1 / 3

页数：3

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