Near-field distribution of optical transmission of periodic subwavelength holes in a metal film

L. Salomon, F.D. Grillot, F. De Fornel, Anatoly Zayats

Research output: Contribution to journalArticlepeer-review

313 Citations (Scopus)

Abstract

Optical transmission of a two-dimensional array of subwavelength holes in a metal film has been numerically studied using a differential method. Transmission spectra have been calculated showing a significant increase of the transmission in certain spectral ranges corresponding to the excitation of the surface polariton Bloch waves on a metal surface with a periodic hole structure. Under the enhanced transmission conditions, the near-field distribution of the transmitted light reveals an intensity enhancement greater than 2 orders of magnitude in localized (similar to 40 nm) spots resulting from the interference of the surface polaritons Bragg scattered by the holes in an array.
Original languageEnglish
Pages (from-to)1110-1113
Number of pages4
JournalPhysical Review Letters
Volume86(6)
Issue number6
DOIs
Publication statusPublished - 05 Feb 2001

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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