Archivio Istituzionale della RicercaIn this paper a novel printed Frequency Selective Surface (FSS) transmission polarizer is presented. A width-modulated microstrip unit cell is used as the reference element, loaded by a capacitive tuning slot, to achieve the desired axial ratio (AR) performance for the transmitted electromagnetic wave. The dimensions of the unit cell are λ0/2×λ0/2 at 30 GHz. This polarizer provides an axial ratio of 0.99 at the resonance and a cross polarization lower than -20 dB in a more than 5% bandwidth. Theoretical analysis and results of numerical investigations related to the new structure are presented.
A transmission polarizer based on width-modulated lines and slots / Yogesh, Ranga; Dushmantha, Thalakotuna; Karu P., Esselle; Stuart G., Hay; Matekovits, Ladislau; Orefice, Mario. - STAMPA. - (2013), pp. 299-302. (Intervento presentato al convegno International Workshop on Antenna Technology (iWAT), 2013 tenutosi a Karlsruhe nel 4-6 March) [10.1109/IWAT.2013.6518352].
A transmission polarizer based on width-modulated lines and slots
MATEKOVITS, Ladislau;OREFICE, Mario
2013
Abstract
In this paper a novel printed Frequency Selective Surface (FSS) transmission polarizer is presented. A width-modulated microstrip unit cell is used as the reference element, loaded by a capacitive tuning slot, to achieve the desired axial ratio (AR) performance for the transmitted electromagnetic wave. The dimensions of the unit cell are λ0/2×λ0/2 at 30 GHz. This polarizer provides an axial ratio of 0.99 at the resonance and a cross polarization lower than -20 dB in a more than 5% bandwidth. Theoretical analysis and results of numerical investigations related to the new structure are presented.
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https://hdl.handle.net/11583/2514920
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