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Título: | Broadband and broadangle extraordinary acoustic transmission through subwavelength apertures surrounded by fluids |
Autor: | Carretero-Palacios, Sol; Murray, A. R. J.; Martín-Moreno, Luis CSIC ORCID ; Hibbins, A. P. | Palabras clave: | Subwavelength apertures Surface waves Extraordinary acoustic transmission |
Fecha de publicación: | 2014 | Editor: | Institute of Physics Publishing | Citación: | New Journal of Physics 16: 083044 (2014) | Resumen: | We present a mechanism for ultra-broadband transmission of acoustic waves through subwavelength hole arrays. Different fluids surrounding (or filling) the holes are considered, which allows tuning of the band of maximum transmission to different angles of incidence. For certain configurations, this band of total transmission may appear at very small incident angles, making the system 'invisible' to sound at almost normal incidence. Analytical expressions for the specific incident angle, and for maximum transmission at that angle, are provided for any fluid-system configuration. © 2014 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. | Descripción: | Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. | Versión del editor: | http://dx.doi.org/10.1088/1367-2630/16/8/083044 | URI: | http://hdl.handle.net/10261/117994 | DOI: | 10.1088/1367-2630/16/8/083044 | Identificadores: | doi: 10.1088/1367-2630/16/8/083044 issn: 1367-2630 |
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Broadbandbroadangle .pdf | 938,82 kB | Adobe PDF | Visualizar/Abrir |
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