Spectral filtering with subwavelength gratings: overview and latest advances

Grégory Vincent; Emilie Sakat; Petru Ghenuche; Stéphane Collin; Nathalie Bardou; Sylvain Rommeluère; Jérôme Primot; Joël Deschamps; Fabrice Pardo; Jean-Luc Pelouard; Riad Haïdar

doi:10.1117/12.914510

20 January 2012 Spectral filtering with subwavelength gratings: overview and latest advances

Grégory Vincent, Emilie Sakat, Petru Ghenuche, Stéphane Collin, Nathalie Bardou, Sylvain Rommeluère, Jérôme Primot, Joël Deschamps, Fabrice Pardo, Jean-Luc Pelouard, Riad Haïdar

Author Affiliations +

Proceedings Volume 8268, Quantum Sensing and Nanophotonic Devices IX; 826807 (2012) https://doi.org/10.1117/12.914510
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

We will present a brief overview of the interest in subwavelength gratings for spectral filtering in the mid-infrared wavelength range. Guided-mode, plasmonic and dipolar resonances will be considered. We will particularly focus on components fabricated in our laboratories, achieving band-pass or cut-band filtering. Optical characterization will be shown, revealing resonances with high quality factors. Multispectral camera has been realized by integrating our components into a cooled infrared focal plane array.

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Grégory Vincent, Emilie Sakat, Petru Ghenuche, Stéphane Collin, Nathalie Bardou, Sylvain Rommeluère, Jérôme Primot, Joël Deschamps, Fabrice Pardo, Jean-Luc Pelouard, and Riad Haïdar "Spectral filtering with subwavelength gratings: overview and latest advances", Proc. SPIE 8268, Quantum Sensing and Nanophotonic Devices IX, 826807 (20 January 2012); https://doi.org/10.1117/12.914510

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