Metadiffusers: Deep-subwavelength sound diffusers

Abstract We present deep-subwavelength diffusing surfaces based on acoustic metamaterials, namely metadiffusers. These sound diffusers are rigidly backed slotted panels, with each slit being loaded by an array of Helmholtz resonators. Strong dispersion is produced in the slits and slow sound conditi...

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Bibliographic Details
Main Authors: Noé Jiménez, Trevor J. Cox, Vicent Romero-García, Jean-Philippe Groby
Format: article
Language:EN
Published: Nature Portfolio 2017
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Online Access:https://doaj.org/article/1663c2b52e7b419899148530119e23f1
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