Author:
Rasoga Oana,Dragoman Daniela,Dinescu Adrian,Dirdal Christopher Andrew,Zgura Irina,Nastase Florin,Baracu Angela Mihaela,Iftimie Sorina,Galca Aurelian Catalin
Abstract
AbstractWe simulated numerically and demonstrated experimentally that the thermal emittance of a metasurface consisting of an array of rectangular metallic meta-atoms patterned on a layered periodic dielectric structure grown on top of a metallic layer can be tuned by changing several parameters. The resonance frequency, designed to be in the near-infrared spectral region, can be tuned by modifying the number of dielectric periods, and the polarization and incidence angle of the incoming radiation. In addition, the absorbance/emittance value at the resonant wavelength can be tuned by modifying the orientation of meta-atoms with respect to the illumination direction.
Funder
Unitatea Executiva pentru Finantarea Invatamantului Superior, a Cercetarii, Dezvoltarii si Inovarii
Publisher
Springer Science and Business Media LLC
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