On the extraordinary transmission through sub-wavelength apertures in perfectly conducting sheets

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Abstract

Extraordinary transmission of electromagnetic power through sub-wavelength apertures is usually observed in a narrow bandwidth range and the transmission outside this range is low. In this paper, it is shown that the transmission through periodic apertures in an otherwise perfectly electric conducting sheet satisfies a sum rule that relates wavelength regions with transmission above a threshold with the polarizability of the complementary structure. The theoretical results are illustrated with a numerical example for split ring apertures.
Original languageEnglish
Title of host publication2011 International Conference on Electromagnetics in Advanced Applications
Subtitle of host publicationProceedings of a meeting held 12-16 September 2011, Torino, Italy.
Number of pages4
ISBN (Electronic)9781612849775
DOIs
Publication statusPublished - 2011
EventInternational Conference on Electromagnetics in Advanced Applications (ICEAA), 2011 - Torino, Italy
Duration: 2011 Sep 122011 Sep 16

Conference

ConferenceInternational Conference on Electromagnetics in Advanced Applications (ICEAA), 2011
Country/TerritoryItaly
CityTorino
Period2011/09/122011/09/16

Subject classification (UKÄ)

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Extraordinary transmission
  • sum rule
  • metamaterial
  • physical bounds

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