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
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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