Experimental evidence for the existence of absolute acoustic band gaps in two-dimensional periodic composite media

被引：178
|
作者：
Vasseur, JO [1 ]
Deymier, PA
Frantziskonis, G
Hong, G
Djafari-Rouhani, B
机构：
[1] Univ Lille 1, UFR Phys,CNRS,URA 801, Lab Dynam & Struct Mat Mol, Equipe Dynam Interfaces, F-59655 Villeneuve Dascq, France
[2] Univ Arizona, Dept Mat Sci & Engn, Tucson, AZ 85721 USA
[3] Univ Arizona, Dept Civil Engn, Tucson, AZ 85721 USA
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1998年 / 10卷 / 27期
关键词：
D O I：
10.1088/0953-8984/10/27/006
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Transmission of acoustic waves in two-dimensional binary solid/solid composite media composed of arrays of Duralumin cylindrical inclusions embedded in an epoxy resin matrix is studied. The experimental transmission spectrum and theoretical band structure of two periodic arrays of cylinders organized on a square lattice and on a centred rectangular network are reported. Absolute gaps extending throughout the first two-dimensional Brillouin zone are predicted. The measured transmission is observed to drop to noise level throughout frequency intervals in reasonable agreement with the calculated forbidden frequency bands.
引用
收藏
页码：6051 / 6064
页数：14
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