A method of controlling wave propagation in initially spatially periodic media

被引：9
|
作者：
Inserra, C.
Tournat, V.
Gusev, V.
机构：
[1] Univ Maine, CNRS, UMR 6613, Acoust Lab, F-72085 Le Mans 9, France
[2] CNRS, UMR 6087, Lab Phys Etat Condense, F-72085 Le Mans 9, France
来源：
EPL | 2007年 / 78卷 / 04期
关键词：
D O I：
10.1209/0295-5075/78/44001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
General physical arguments as well as an analytical theory for a particular system indicate that in addition to a traditional method of wave control through gap opening in an allowed frequency band there exists an opportunity to control waves through window opening in a forbidden frequency band. By introducing additional ( second) periodicity in an initially periodic material it is possible to guide high-frequency waves in the directions initially forbidden for their propagation. Copyright (C) EPLA, 2007.
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页数：4
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