Coherent vibrations of submicron spherical gold shells in a photonic crystal

被引：28

作者：

Mazurenko, D. A. ^{[1
]}

Shan, X. ^{[1
]}

Stiefelhagen, J. C. P. ^{[1
]}

Graf, C. M. ^{[1
]}

van Blaaderen, A. ^{[1
]}

Dijkhuis, J. I. ^{[1
]}

机构：

[1] Univ Utrecht, Dept Phys & Astron, Debye Inst, NL-3508 TA Utrecht, Netherlands

来源：

PHYSICAL REVIEW B | 2007年 / 75卷 / 16期

关键词：

D O I：

10.1103/PhysRevB.75.161102

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Coherent acoustic radial oscillations of thin spherical gold shells of submicron diameter excited by an ultrashort optical pulse are observed in the form of pronounced modulations of the transient reflectivity on a subnanosecond time scale. Strong acousto-optical coupling in a photonic crystal enhances the modulation of the transient reflectivity by up to 4%. The frequency of these oscillations is demonstrated to be in good agreement with the Lamb theory of free gold shells.

引用

页数：4

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