Formation of collimated sound beams by three-dimensional sonic crystals

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Title:	Formation of collimated sound beams by three-dimensional sonic crystals
Author:	Cebrecos, A.; Romero García, V.; Pico, R.; Pérez Arjona, I; Espinosa Duró, Virginia; Sánchez Morcillo, V. J.; Staliunas, Kestutis
Other authors:	Universitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers
Abstract:	A theoretical and experimental study of the propagation of sound beams in- and behind three-dimensional sonic crystals at frequencies close to the band edges is presented. An efficient collimation of the beam behind the crystal is predicted and experimentally demonstrated. This effect could allow the design of sources of high spatial quality sound beams.
Subject(s):	-Àrees temàtiques de la UPC::Física::Física de fluids -Fluids Acoustic properties -Materials science -Fluids -- Propietats acústiques -Ciència dels materials
Rights:	Attribution-NonCommercial-NoDerivs 3.0 Spain http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Document type:	Article - Published version Article
Published by:	American Institute of Physics (AIP)
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