Localized acoustic surface modes

Mohamed Farhat*, Pai Yen Chen, Hakan Bağcı

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-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 languageEnglish (US)
Article number377
JournalApplied Physics A: Materials Science and Processing
Volume122
Issue number4
DOIs
StatePublished - Apr 1 2016

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science

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