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Proceedings Paper

Optical properties of crossed metallodielectric gratings
Author(s): Jennifer M. Steele; Cristin E. Moran; Allen Lee; Naomi J. Halas
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Paper Abstract

In this paper we report an experimental and theoretical study of the optical properties of metallodielectric gratings with subwavelength gaps in the thin metal limit. A mask-free method of fabrication for large area submicron silver gratings on silica substrates has been developed using soft-lithographic techniques. By measuring the zeroth-order transmission of these gratings, both an edge anomaly associated with the Rayleigh wavelength and a resonant anomaly associated with the excitation of surface plasmons (SPs) are observed. A crossed grating configuration is studied: the presence of the additional crossed grating results in a dramatic widening of the plasmonic band gap relative to that of a 1D grating.

Paper Details

Date Published: 28 October 2003
PDF: 7 pages
Proc. SPIE 5221, Plasmonics: Metallic Nanostructures and Their Optical Properties, (28 October 2003); doi: 10.1117/12.512739
Show Author Affiliations
Jennifer M. Steele, Rice Univ. (United States)
Cristin E. Moran, Rice Univ. (United States)
Allen Lee, Massachussets Institute of Technology (United States)
Naomi J. Halas, Rice Univ. (United States)


Published in SPIE Proceedings Vol. 5221:
Plasmonics: Metallic Nanostructures and Their Optical Properties
Naomi J. Halas, Editor(s)

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