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Proceedings Paper

Polarization dependent terahertz spectroscopy of a single subwavelength hole in thin metallic film
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Paper Abstract

We theoretically and experimentally investigate the optical properties of a subwavelength hole in a thin metallic film. The microscopic origin of the hole plasmon resonance is a collective state formed by propagating thin film surface plasmons of wavelengths equal to integer fractions of the hole diameter. We show that the plasmon resonance depend strongly on the polarization of the incident light. We also, using time-domain terahertz spectroscopy, demonstrate the first experimental observation of the optical coupling between antibonding film plasmon modes and perpendicularly polarized light to the film surface.

Paper Details

Date Published: 2 September 2009
PDF: 10 pages
Proc. SPIE 7394, Plasmonics: Metallic Nanostructures and Their Optical Properties VII, 73940F (2 September 2009); doi: 10.1117/12.826548
Show Author Affiliations
Tae-Ho Park, Rice Univ. (United States)
Joong-Wook Lee, Rice Univ. (United States)
Daniel M. Mittleman, Rice Univ. (United States)
Peter Nordlander, Rice Univ. (United States)

Published in SPIE Proceedings Vol. 7394:
Plasmonics: Metallic Nanostructures and Their Optical Properties VII
Mark I. Stockman, Editor(s)

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