Optical transmission of periodic annular apertures in metal film on high-refractive index substrate: The role of the nanopillar shape

Jean-Sebastien Bouillard, J. Einsle, Wayne Dickson, S. G. Rodrigo, S. Carretero-Palacios, L. Martin-Moreno, F. J. Garcia-Vidal, Anatoly Zayats

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

The influence of annular aperture parameters on the optical transmission through arrays of coaxial apertures in a metal film on high refractive index substrates has been investigated experimentally and numerically. It is shown that the transmission resonances are related to plasmonic crystal effects rather than frequency cutoff behavior associated with annular apertures. The role of deviations from ideal aperture shape occurring during the fabrication process has also been studied. Annular aperture arrays are often considered in many applications for achieving high optical transmission through metal films and understanding of nanofabrication tolerances are important. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3427390]

Original languageEnglish
Article number201101
Pages (from-to)-
Number of pages3
JournalAPPLIED PHYSICS LETTERS
Volume96
Issue number20
DOIs
Publication statusPublished - 17 May 2010

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