Nonlinear lattice dynamics of bismuth as a means of clarifying the nature of coherent phonons

被引：0
|
作者：
Misochko O.V. [1 ]
机构：
[1] Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka
来源：
Bulletin of the Russian Academy of Sciences: Physics | 2008年 / 72卷 / 8期
基金：
俄罗斯基础研究基金会;
关键词：
Pump Pulse; Matter Mater; Ultrashort Laser Pulse; Coherent Phonon; Classical Oscillator;
D O I：
10.3103/S1062873808080273
中图分类号：
学科分类号：
摘要：
The nonlinear regime of generation of coherent phonons in bismuth single crystals irradiated by ultrashort high-energy laser pulses has been investigated. In this regime, autoecho phenomenon is implemented at a low (helium) crystal temperature, manifesting itself as a collapse and revival of reflection oscillations generated by coherent A1g phonons. Different mechanisms of the observed phenomena are considered. © Allerton Press, Inc. 2008.
引用
收藏
页码：1117 / 1119
页数：2
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