18 April 2016 Multispectral inhomogeneous metasurface for emissivity control
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Abstract
We experimentally demonstrate a multispectral metasurface that exhibits controlled inhomogeneous optical properties leading to a spatial modulation of the emissivity up to the wavelength scale in the infrared. A metasurface made of a non-periodic set of 100 million optical nano-antennas that spatially and spectrally control the emitted light up to the diffraction limit has been realized and studied. Each antenna acts as an independent deep subwavelength emitter for a given polarization and wavelength, and their juxtaposition at the wavelength scale can encode far field multispectral and polarized images.
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Mathilde Makhsiyan, Mathilde Makhsiyan, Patrick Bouchon, Patrick Bouchon, Julien Jaeck, Julien Jaeck, Jean-Luc Pelouard, Jean-Luc Pelouard, Riad Haïdar, Riad Haïdar, } "Multispectral inhomogeneous metasurface for emissivity control", Proc. SPIE 9883, Metamaterials X, 98830W (18 April 2016); doi: 10.1117/12.2227739; https://doi.org/10.1117/12.2227739
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