Surface thermal expansion of metal under femtosecond laser irradiation

被引：24

作者：

Maznev, AA ^{[1
]}

Hohlfeld, J ^{[1
]}

Gudde, J ^{[1
]}

机构：

[1] FREE UNIV BERLIN,FACHBEREICH PHYS,D-14165 BERLIN,GERMANY

来源：

JOURNAL OF APPLIED PHYSICS | 1997年 / 82卷 / 10期

关键词：

D O I：

10.1063/1.366382

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Transient surface displacement of gold under femtosecond laser irradiation is studied using a probe beam deflection technique. A surface thermal expansion rise time of about 100 ps is explained in terms of nonequilibrium diffusion and thermalization of photoexcited electrons. Transient displacement provides direct information on the lattice temperature profile established once the electron-lattice relaxation is completed. (C) 1997 American Institute of Physics.

引用

页码：5082 / 5085

页数：4

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