Ultrasonic surface waves above rectangular-groove gratings

被引:92
作者
Kelders, L
Allard, JF
Lauriks, W
机构
[1] Katholieke Univ Leuven, Lab Akoestiek & Therm Fys, Dept Nat, B-3001 Louvain, Belgium
[2] Univ Maine, Inst Acoust & Mecan, UMR CNRS 6613, F-72085 Le Mans 9, France
关键词
D O I
10.1121/1.422793
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
A modal model, initially developed to modelize diffraction of electromagnetic waves by rectangular-groove gratings, is used to describe ultrasonic surface waves above the same structures in air. A simple analytical formulation which provides results comparable to the modal method is presented. Measurements performed on ultrasonic surface waves are compared to predictions obtained with the simplified formulation and the modal model. (C) 1998 Acoustical Society of America.
引用
收藏
页码:2730 / 2733
页数:4
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