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Flat optics enabled by dielectric metamaterials

United States Patent Application

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Metasurfaces comprise a two-dimensional periodic array of single-resonator unit cells. Single or multiple dielectric gaps can be introduced into the resonator geometry in a manner suggested by perturbation theory, thereby enabling overlap of the electric and magnetic dipole resonances and directional scattering by satisfying the first Kerker condition. The geometries suggested by perturbation theory can achieve purely dipole resonances for metamaterial applications such as wave-front manipulation with Huygens' metasurfaces.
Campione, Salvatore (Albuquerque, NM), Sinclair, Michael B. (Albuquerque, NM), Basilio, Lorena I. (Albuquerque, NM), Warne, Larry K. (Albuquerque, NM)
15/ 003,361
January 21, 2016
STATEMENT OF GOVERNMENT INTEREST [0002] This invention was made with Government support under contract no. DE-AC04-94AL85000 awarded by the U. S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention.