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

页码：319 / 323

页数：5

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