Physics – Condensed Matter – Materials Science
Scientific paper
2005-06-27
Journal of Optics A - Pure and Applied Optics 7 (8): 422-426 AUG 2005
Physics
Condensed Matter
Materials Science
16 pages, 4 figures
Scientific paper
10.1088/1464-4258/7/8/013
Recent works dealt with the optical transmission on arrays of subwavelength holes perforated in a thick metallic film. We have performed simulations which quantitatively agree with experimental results and which unambiguously evidence that the extraordinary transmission is due to the excitation of a surface-plasmon-polariton (SPP) mode on the metallic film interfaces. We identify this SPP mode and show that its near-field possesses a hybrid character, gathering collective and localised effects which are both essential for the transmission.
Hugonin Jean-Paul
Lalanne Philippe
Rodier Jean-Claude
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