Concentric Graphene Metamaterial within Bundt Optenna for Ultra-Broadband and High Optical Absorption

Ehab Awad

doi:10.1364/FIO.2022.JW4B.43

Frontiers in Optics + Laser Science 2022 (FIO, LS)
Technical Digest Series (Optica Publishing Group, 2022),
paper JW4B.43
•https://doi.org/10.1364/FIO.2022.JW4B.43

Concentric Graphene Metamaterial within Bundt Optenna for Ultra-Broadband and High Optical Absorption

Ehab Awad

Frontiers in Optics 2022

Rochester, New York United States
17–20 October 2022
ISBN: 978-1-957171-17-3

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Joint Poster Session IIIB (Remote) (JW4B)

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E. Awad, "Concentric Graphene Metamaterial within Bundt Optenna for Ultra-Broadband and High Optical Absorption," in Frontiers in Optics + Laser Science 2022 (FIO, LS), Technical Digest Series (Optica Publishing Group, 2022), paper JW4B.43.

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Abstract

Metamaterial with concentric graphene layer is embedded in nano-plasmonic Bundt optical antenna. Infrared nano-focusing and grazing propagation yield record high optical absorption coefficient of 5700cm^-1. It is promising for free-space optical communications with ultra-broad bandwidth.

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