Configurable geometric metasurface antenna

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United States of America Patent

PATENT NO 11789334
APP PUB NO 20230094688A1
SERIAL NO

17481590

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Abstract

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A tunable metasurface is provided. The tunable metasurface includes a mirror, a dielectric layer disposed on the mirror, a metallic antenna and a phase change material (PCM) layer. The PCM layer is interposed between the dielectric layer and the metallic antenna. The PCM layer is configured to be amorphous or crystalline. The mirror, the dielectric layer, the metallic antenna and the PCM layer cooperatively form a Fabry Perot cavity in which light incident on the metallic antenna from free space is reflected between the mirror and the metallic antenna. The PCM layer has blanket dimensions relative to those of the metallic antenna such that the Fabry Perot cavity is critically coupled with the free space when the PCM layer is only one of amorphous and crystalline.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cohen, Guy M Westchester, US 195 2507
Falk, Abram L Port Chester, US 34 44
Farmer, Damon Brooks White Plains, US 12 49
Lai, Kafai Poughkeepsie, US 77 798

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