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Proceedings Paper

Enhancement of optical transmission through planar nanoapertures in a metal film
Author(s): Xianfan Xu; Eric X. Jin; Sreemanth M.V. Uppuluri
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Paper Abstract

The optical transmission mechanism through a ridge nano-aperture in a metal film is discussed based on the waveguide theory and FDTD computations. The transmission enhancement through ridge apertures is associated with the TE10 waveguide propagation mode. In terms of near and far field radiator, the ridge aperture can be represented as a combination of an oscillating electric dipole and two magnetic dipoles. The effects of localized surface plasmon (LSP) excited on the edges of ridge nano-apertures made in silver are discussed. The transmission enhancement and field concentration functions of ridge apertures are confirmed by contact lithography experiments.

Paper Details

Date Published: 8 October 2004
PDF: 14 pages
Proc. SPIE 5515, Nanoengineering: Fabrication, Properties, Optics, and Devices, (8 October 2004); doi: 10.1117/12.564559
Show Author Affiliations
Xianfan Xu, Purdue Univ. (United States)
Eric X. Jin, Purdue Univ. (United States)
Sreemanth M.V. Uppuluri, Purdue Univ. (United States)


Published in SPIE Proceedings Vol. 5515:
Nanoengineering: Fabrication, Properties, Optics, and Devices
Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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