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Open Access item Influence of the hole filling fraction on the ultrasonic transmission through plates with subwavelength aperture arrays

Authors:Estrada, Héctor
Candelas, Pilar
Uris, Antonio
Belmar, Francisco
Meseguer, F.
García de Abajo, F. Javier
Issue Date:2008
Publisher:American Institute of Physics
Citation:Applied Physics Letters 93: 011907 (2008)
Abstract:We report on the large impact of the hole filling fraction on the ultrasonic transmission spectra of periodic subwavelength hole arrays. We demonstrate both theoretically and experimentally that transmission peaks become narrower as the filling fraction decreases. Our results are consistent in plates with different thickness values and provide a route map for the design of plates with tailored acoustic transmission profiles. © 2008 American Institute of Physics.
Identifiers:doi: 10.1063/1.2955825
issn: 0003-6951
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