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Título: | Influence of lattice symmetry on ultrasound transmission through plates with subwavelength aperture arrays |
Autor: | Estrada, Héctor CSIC ORCID; Candelas, Pilar; Uris, Antonio; Belmar, Francisco; García de Abajo, Francisco Javier; Meseguer, Francisco CSIC ORCID | Fecha de publicación: | 4-ago-2009 | Editor: | American Institute of Physics | Citación: | Applied Physics Letters 95(5): 051906 (2009) | Resumen: | We 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. | Descripción: | 3 pages, 2 figures, 1 table. | Versión del editor: | http://dx.doi.org/10.1063/1.3196330 | URI: | http://hdl.handle.net/10261/21322 | DOI: | 10.1063/1.3196330 | ISSN: | 0003-6951 |
Aparece en las colecciones: | (ICMM) Artículos (CFMAC-IO) Artículos |
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Influence of lattice.pdf | 298,09 kB | Adobe PDF | Visualizar/Abrir |
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