Visible transparent mid-infrared broadband absorbers based on gradient refractive indexes and multi-size cavity resonances.
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DOI: 10.1364/oe.473986
Abstract: We proposed a multi-layered nanorod structure with the same tilt angle and different diameters, which has high visible transmittance and strong 3-5 µm absorption based on the principles of the gradient of the refractive index… read more here.
Keywords: size cavity; multi size; cavity resonances; gradient refractive ... See more keywords