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Journal of Nanophotonics

Enhanced transmission of electromagnetic waves through split-ring resonator-shaped apertures
Author(s): Levent Sahin; Koray Aydin; Gonul Turhan Sayan; Ekmel Ozbay
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Paper Abstract

The design of aperture shape is a promising approach for enhanced transmission through a subwavelength aperture. We designed split-ring-resonator (SRR)-shaped apertures in order to increase the transmission through subwavelength apertures by making use of the strong localization of the electromagnetic field in SRR-shaped apertures. We obtained a promising result of 104-fold enhancement by utilizing SRR-shaped apertures. It is possible to use these proposed structures at optical frequencies by making several modifications such as decreasing the sharpness of edges and increasing the gap width. Since SRRs are already being realized at optical frequencies, our proposed SRR-shaped aperture structures are promising candidates for novel applications.

Paper Details

Date Published: 1 January 2011
PDF: 4 pages
J. Nanophoton. 5(1) 051812 doi: 10.1117/1.3599873
Published in: Journal of Nanophotonics Volume 5, Issue 1
Show Author Affiliations
Levent Sahin, Bilkent Univ. (Turkey)
Koray Aydin, California Institute of Technology (United States)
Gonul Turhan Sayan, Middle East Technical Univ. (Turkey)
Ekmel Ozbay, Bilkent Univ. (Turkey)

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