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Proceedings Paper

Surface plasmon-like modes on structured perfectly conducting surfaces
Author(s): Yung-Chiang Lan
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Paper Abstract

Surface plasmon-like (SPL) modes are the electromagnetic surface eigenmodes on structured perfect-conductor surfaces. The standard eigenvalue-solving method is adopted to solve these modes. The fields of the SPL modes are maximal on the conductor surface and decay exponentially into both the air and the structured conductor. On thin structured conductors, the SPL mode splits into a high-frequency anti-symmetric mode and a low-frequency symmetric mode. The SPL modes are slow-wave modes with the frequencies that approach an equivalent surface-plasmon frequency at large in-plane wavevectors. However, the interhole interaction prevents the dispersion relation from being generally described by an analytic equation.

Paper Details

Date Published: 14 September 2006
PDF: 8 pages
Proc. SPIE 6320, Complex Photonic Media, 63200Z (14 September 2006); doi: 10.1117/12.678968
Show Author Affiliations
Yung-Chiang Lan, National Cheng Kung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 6320:
Complex Photonic Media
Graeme Dewar; Martin W. McCall; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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