Modeling Cascaded Cylindrical Metasurfaces with Spatially-Varying Impedance Distribution
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Date
2019-09
Authors
Sipus, Zvonimir
Eres, Zoran
Barbaric, Dominik
ORCID
Advisor
Referee
Mark
Journal Title
Journal ISSN
Volume Title
Publisher
Společnost pro radioelektronické inženýrství
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Abstract
Modeling curved metasurface structures represents a computing challenge due to the complexity of considered designs. This creates a need for specialized efficient analysis methods. An approach that combines the spectral-domain field representation and surface sheet impedance concept is proposed. The considered cascaded cylindrical metasurface structures can span across only a part of a canonical surface and unit cell elements can vary along the metasurface, giving a spatially-varying sheet impedance. The analysis method is experimentally verified against a cylindrical metasurface for shaping the feed antenna beam. The problem of manufacturing curved metasurfaces is also discussed in the paper.
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Citation
Radioengineering. 2019 vol. 28, č. 3, s. 505-511. ISSN 1210-2512
https://www.radioeng.cz/fulltexts/2019/19_03_0505_0511.pdf
https://www.radioeng.cz/fulltexts/2019/19_03_0505_0511.pdf
Document type
Peer-reviewed
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Published version
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en