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Title

Influence of lattice symmetry on ultrasound transmission through plates with subwavelength aperture arrays

AuthorsEstrada, Héctor CSIC ORCID; Candelas, Pilar; Uris, Antonio; Belmar, Francisco; García de Abajo, Francisco Javier; Meseguer, Francisco CSIC ORCID
Issue Date4-Aug-2009
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 95(5): 051906 (2009)
AbstractWe study the transmission of sound waves through aluminum plates perforated with square and triangular hole arrays. We demonstrate both theoretically and experimentally that lattice symmetry affects the position of the Wood anomalies and the width of the transmission peaks. The angle and frequency dependence of sound transmission through perforated plates are thoroughly discussed. Finally, we observe unexpected anisotropic behavior in the long-wavelength Lamb-mode bands of perforated plates.
Description3 pages, 2 figures, 1 table.
Publisher version (URL)http://dx.doi.org/10.1063/1.3196330
URIhttp://hdl.handle.net/10261/21322
DOI10.1063/1.3196330
ISSN0003-6951
Appears in Collections:(ICMM) Artículos
(CFMAC-IO) Artículos

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