Journal
OPTICAL MATERIALS EXPRESS
Volume 12, Issue 1, Pages 1-12Publisher
OPTICAL SOC AMER
DOI: 10.1364/OME.443111
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- Direction Generale de l'Armement
- Agence Nationale de la Recherche [ANR-12-NANO-0005, ANR-17CE24-016]
- Agence Nationale de la Recherche (ANR) [ANR-12-NANO-0005] Funding Source: Agence Nationale de la Recherche (ANR)
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In this study, we introduce thermal metallo-dielectric metasurfaces as sources in the mid-infrared (IR) range. The emitter consists of a lossy metal, and the spectral and angular emission are controlled by a periodic array of high refractive dielectric resonators. We present a design that allows independent control of the emission bandwidth and the angular aperture, while ensuring a large emissivity. To validate the concept, we fabricated and characterized a metasurface, which showed good agreement with the theoretical predictions.
We introduce thermal metallo-dielectric metasurfaces as mid IR sources. The emitter is a lossy metal. The spectral and angular emission is controlled using a periodic array of high refractive dielectric resonators. We introduce a design that allows to control independently the emission bandwidth and the angular aperture while ensuring a large emissivity. To validate the concept, we fabricated and characterized a metasurface, showing a good agreement with the theory.
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