Time-resolved spectroscopy measurements of a titanium plasma induced by nanosecond and femtosecond lasers

被引：172
|
作者：
Albert, O [1 ]
Roger, S
Glinec, Y
Loulergue, JC
Etchepare, J
Boulmer-Leborgne, C
Perrière, J
Millon, E
机构：
[1] ENSTA, Ecole Polytech, Lab Opt Appl, CNRS UMR 7639, F-91761 Palaiseau, France
[2] Univ Orleans, CNRS UMR 6606, GREMI, F-45067 Orleans 2, France
[3] Univ Paris 06, CNRS UMR 7588, Phys Solides Grp, F-75251 Paris 05, France
[4] Univ Paris 07, CNRS UMR 7588, Phys Solides Grp, F-75251 Paris 05, France
[5] Univ Metz, CNRS FRE 2304, LMOPS, F-57078 Metz 3, France
[6] Supelec, F-57078 Metz 3, France
[7] Univ Metz, LSMCL, F-57078 Metz 3, France
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2003年 / 76卷 / 03期
关键词：
D O I：
10.1007/s00339-002-1815-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have studied the plasma induced at the surface of a titanium target following irradiation with femtosecond and nanosecond laser pulses. Time-resolved imaging and spectroscopic measurements allowed us to evidence some features specific to the femtosecond-laser-induced plasma. In this ultrashort interaction regime, we could discriminate between three different velocity populations in the plasma expansion. Coulomb explosion firstly creates highly energetic Ti+ ions, which are followed by atomic neutral titanium and lastly by nanoscale titanium oxide clusters.
引用
收藏
页码：319 / 323
页数：5
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