Guided mode resonance in subwavelength metallodielectric free-standing grating for bandpass filtering

Emilie Sakat, Grégory Vincent, Petru Ghenuche, Nathalie Bardou, Stéphane Collin, Fabrice Pardo, Jean Luc Pelouard, Riad Haïdar

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish
Pages (from-to)3054-3056
Number of pages3
JournalOptics Letters
Volume36
Issue number16
DOIs
Publication statusPublished - 15 Aug 2011
Externally publishedYes

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