Guided Mode Resonance in Subwavelength Metallodielectric Free-standing Grating for Bandpass Filtering

Overview

Journal Opt Lett

Specialty Ophthalmology

Date 2011 Aug 18

PMID 21847157

Citations 5

Authors

Emilie Sakat

Gregory Vincent

Petru Ghenuche

Nathalie Bardou

Stephane Collin

Fabrice Pardo

Jean-Luc Pelouard

Riad Haidar

Affiliations

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Abstract

We present the experimental study of a free-standing metallic guided-mode resonant structure, for bandpass filtering applications in the mid-IR wavelength range. Structure consists of a subwavelength gold grating with narrow slits deposited on a silicon nitride membrane. High optical transmission is measured with up to 78% transmission at resonance. Angularly resolved spectra are presented revealing Fano-type resonance.

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