Theory of Resonant Acoustic Transmission through Subwavelength Apertures

Johan Christensen, L. Martin-Moreno, F. J. Garcia-Vidal

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A complete landscape is presented of the acoustic transmission properties of subwavelength apertures (slits and holes). First, we study the emergence of Fabry-Perot resonances in single apertures. When these apertures are placed in a periodic fashion, a new type of transmission resonance appears in the spectrum. We demonstrate that this resonance stems from the excitation of an acoustic guided wave that runs along the plate, which hybridizes strongly with the Fabry-Perot resonances associated with waveguide modes in single apertures. A detailed discussion of the similarities and differences with the electromagnetic case is also given.
Original languageEnglish
Article number014301
JournalPhysical Review Letters
Volume101
Issue number1
Number of pages4
ISSN0031-9007
DOIs
Publication statusPublished - 2008
Externally publishedYes

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