High-Efficiency Multifunction Metasurface Based on Polarization Sensitivity

This letter proposes a unit integrating reflectarray and transmitarray functions together. The proposed units can form multifunctional metasurface (MS), which can realize both focusing (with required focus points and point numbers) and multiple pencil beams (with required direction, and beam numbers...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2021-08, Vol.20 (8), p.1508-1512
Main Authors: Huang, Hui-Fen, Zhang, Jian
Format: Article
Language:English
Subjects:
Dual-band
Efficiency
Electric fields
Feeds
focus
Focusing
Metals
Metasurfaces
multibeam
multifunctional metasurface (MS)
Near field communication
Pencil beams
Reflection
Sidelobe reduction
Sidelobes
Vivaldi antennas
Wireless communications
Wireless power transmission
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Summary:This letter proposes a unit integrating reflectarray and transmitarray functions together. The proposed units can form multifunctional metasurface (MS), which can realize both focusing (with required focus points and point numbers) and multiple pencil beams (with required direction, and beam numbers) based on x - and y -polarizations, respectively. The developed MS has the following advantages: low sidelobe, high focusing efficiency, high aperture efficiency, multibeam, dual-band and less layer number. The MSs formed by the units have multifunctional applications, such as multibeam communication splitter, and point to point or point to multipoint in near field communication and wireless and power transmission.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2021.3089283