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Modelling Cascaded Cylindrical Metasurfaces Using Sheet Impedances and a Transmission Matrix Formulation (CROSBI ID 246760)

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Šipuš, Zvonimir ; Bosiljevac, Marko ; Grbic, Anthony Modelling Cascaded Cylindrical Metasurfaces Using Sheet Impedances and a Transmission Matrix Formulation // Iet microwaves antennas & propagation, 12 (2018), 7; 1041-1047. doi: 10.1049/iet-map.2017.0465

Podaci o odgovornosti

Šipuš, Zvonimir ; Bosiljevac, Marko ; Grbic, Anthony

engleski

Modelling Cascaded Cylindrical Metasurfaces Using Sheet Impedances and a Transmission Matrix Formulation

Metasurfaces that manipulate electromagnetic waves have garnered significant attention in recent years. The focus has primarily been on planar devices, while many applications require curved surfaces. In this paper, we propose an analysis approach for cylindrical cascaded (multilayer) metasurfaces. The approach combines the concept of sheet impedance in the spectral domain with a new transmission matrix formulation that is applicable to stratified, canonical curved geometries. Approximate formulas for the sheet impedance of common planar, metallic patterns are also adapted to curved geometries. The reported analysis approach allows one to determine the optimal spectral-domain, azimuthal dependence of a sheet impedance, as well as the best geometrical elements to obtain the required azimuthal variation. The results are verified through several cylindrical metsurface examples.

metasurfaces, curved metasurfaces, spectral domain aproach, sheet impedanc

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Podaci o izdanju

12 (7)

2018.

1041-1047

objavljeno

1751-8725

1751-8733

10.1049/iet-map.2017.0465

Povezanost rada

Elektrotehnika

Poveznice
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