Femtosecond study of surface structure and composition and time-resolved spectroscopy in metals

被引：23

作者：

Dou, K ^{[1
]}

Knobbe, ET

Parkhill, RL

Irwin, B

Matthews, L

Church, KH

机构：

[1] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA

[2] Oklahoma State Univ, Ctr Laser & Photon Res, Stillwater, OK 74078 USA

[3] Sciperio Inc, Stillwater, OK 74075 USA

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2003年 / 76卷 / 03期

关键词：

D O I：

10.1007/s00339-002-1812-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Surface structuring and compositioning in aluminum alloy 2024-T3 were demonstrated using a femtosecond pulse laser. Surface nanostructuring was developed as a function of laser parameters and the surface micrographs of the scanning electron microscopy were characterized as a function of incident laser fluence. Surface compositioning was performed by selectively removing the elements on the surface of the sample. Femtosecond studies of highly excited electrons were performed by a pump-probe technique, and the thermalization time was found to be in a range of 1.5-3 ps, increasing with incident fluence. The time-resolved measurement is well matched to the numerical calculation.

引用

页码：303 / 307

页数：5

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