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Selective dielectric metasurfaces based on directional conditions of silicon nanopillars

Abstract: Dielectric metasurfaces based on high refractive index materials have been proposed recently. This type of structure has several advantages over their metallic counterparts. In this work, we demonstrate that dielectric metasurfaces can be theoretically designed satisfying Kerker's zero-forward condition. This is the first time that a dielectric metasurface based on this principle has been designed. A selective dielectric metasurface of silicon nanopillars is designed to work at 632.8 nm. This structure could work both as a dielectric mirror and a reject band filter. Furthermore, by scaling up the structure, it could be possible to manufacture a terahertz (THz) dielectric mirror.

Other publications of the same journal or congress with authors from the University of Cantabria

 Fuente: Nanomaterials, 2017, 7(7), 177

 Publisher: MDPI

 Publication date: 07/07/2017

 No. of pages: 7

 Publication type: Article

 DOI: 10.3390/nano7070177

 ISSN: 2079-4991

 Spanish project: TEC2013-47342-C2-2-R

Authorship

BRAULIO GARCIA CAMARA

CUADRADO CONDE, ALEXANDER

JOSE MANUEL SANCHEZ PENA

VERGAZ BENITO, RICARDO