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2021•2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)Open access

Design Method of Broadband Flat Metasurface Lenses by Using an One-Dimensional Distributed Transmission-Line Model

Tsutomu Nagayama, S. Fukushima, T. Watanabe

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Abstract

We propose a design method for broadband flat metasurface lenses by using an one-dimensional distributed transmission-line model. The design formula of the line length is shown and how to determine the characteristic impedance is stated. Circuit simulations are carried out to confirm the validity of the design method and broadband operations of a designed flat metasurface lens are demonstrated.

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What this paper is about

We propose a design method for broadband flat metasurface lenses by using an one-dimensional distributed transmission-line model. The design formula of the line length is shown and how to determine the characteristic impedance is stated. Circuit simulations are carried out to confirm the validity of the design method and broadband operations of a designed flat metasurface lens are demonstrated.

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Available abstract

We propose a design method for broadband flat metasurface lenses by using an one-dimensional distributed transmission-line model. The design formula of the line length is shown and how to determine the characteristic impedance is stated. Circuit simulations are carried out to confirm the validity of the design method and broadband operations of a designed flat metasurface lens are demonstrated.

Key concepts: Broadband, Transmission line, Optics, Line (geometry), Electrical impedance, Lens (geology), Computer science, Electric power transmission

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