Archivio Istituzionale della RicercaA two-layer frequency selective surface (ESS) is proposed, which exhibits a highly stable response to incidence up to 45°. The structure consists of a square ring and a fan-like shape resonator. The fan-like shape, positioned on the opposite face of the FR4 supporting dielectric with respect to the square resonator, is rotated by 45° with respect to the symmetry axis of the unit cell. A parametric analysis concerning the frequency response in function of geometrical parameters is reported. The structure exhibits a band-stop response with two notches, but can be tailored to achieve a wideband behavior.
Frequency Selective Surface with two Notch Frequencies and Good Incidence Angle Stability for Screening Applications / De Sabata, A.; Matekovits, L.; Silaghi, A. M.. - ELETTRONICO. - (2018), pp. 679-682. (Intervento presentato al convegno 2018 International Conference on Electromagnetics in Advanced Applications (ICEAA) tenutosi a Cartagena des Indias, Colombia nel 10-14 Sept. 2018) [10.1109/ICEAA.2018.8520369].
Frequency Selective Surface with two Notch Frequencies and Good Incidence Angle Stability for Screening Applications
Matekovits, L.;
2018
Abstract
A two-layer frequency selective surface (ESS) is proposed, which exhibits a highly stable response to incidence up to 45°. The structure consists of a square ring and a fan-like shape resonator. The fan-like shape, positioned on the opposite face of the FR4 supporting dielectric with respect to the square resonator, is rotated by 45° with respect to the symmetry axis of the unit cell. A parametric analysis concerning the frequency response in function of geometrical parameters is reported. The structure exhibits a band-stop response with two notches, but can be tailored to achieve a wideband behavior.
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https://hdl.handle.net/11583/2717458
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