Localized Acoustic Surface Modes

Mohamed Farhat, Pai-Yen Chen, Hakan Bagci

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

We introduce the concept of localized acoustic surface modes (ASMs). We demonstrate that they are induced on a two-dimensional cylindrical rigid surface with subwavelength corrugations under excitation by an incident acoustic plane wave. Our results show that the corrugated rigid surface is acoustically equivalent to a cylindrical scatterer with uniform mass density that can be represented using a Drude-like model. This, indeed, suggests that plasmonic-like acoustic materials can be engineered with potential applications in various areas including sensing, imaging, and cloaking.
Original languageEnglish (US)
Title of host publicationMETA 2015 CONFERENCE
PublisherSpringer Science and Business Media LLC
DOIs
StatePublished - Mar 14 2016

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