Importance of a finite speed of heat propagation in metals irradiated by femtosecond laser pulses

被引：23
|
作者：
Klossika, JJ
Gratzke, U
Vicanek, M
Simon, G
机构：
[1] Institut für Theoretische Physik, Technische Universität, D-38106 Braunschweig
来源：
PHYSICAL REVIEW B | 1996年 / 54卷 / 15期
关键词：
D O I：
10.1103/PhysRevB.54.10277
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study theoretically the propagation of heat in a metal, due to irradiation with an ultrashort laser pulse. The target is treated in an extended two-fluid model for electrons and phonons, which accounts for a finite speed of heat propagation in the electron gas. As a result, the absorbed laser energy is more localized in the electronic system yielding an enhanced peak electron temperature.
引用
收藏
页码：10277 / 10279
页数：3
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