Localized acoustic surface modes

Mohamed Farhat; Pai Yen Chen; Hakan Bağcı

doi:10.1007/s00339-016-9876-2

Localized acoustic surface modes

Mohamed Farhat^*, Pai Yen Chen, Hakan Bağcı

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

We introduce the concept of localized acoustic surface modes. 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 language	English (US)
Article number	377
Journal	Applied Physics A: Materials Science and Processing
Volume	122
Issue number	4
DOIs	https://doi.org/10.1007/s00339-016-9876-2
State	Published - Apr 1 2016

Bibliographical note

Publisher Copyright:
© 2016, Springer-Verlag Berlin Heidelberg.

ASJC Scopus subject areas

General Chemistry
General Materials Science

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10.1007/s00339-016-9876-2

Cite this

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AB - We introduce the concept of localized acoustic surface modes. 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.

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Localized acoustic surface modes

Abstract

Bibliographical note

ASJC Scopus subject areas

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