Polarisation independent split ring frequency selective surface

A frequency selective surface (FSS) is described which exhibits coincident spectral responses for TE and TM polarisation when the FSS operates at 45° incidence. The structure consists of two closely spaced arrays of ring elements with the conductor split at one or two locations to provide independen...

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Veröffentlicht in:	Electronics letters 2013-02, Vol.49 (4), p.245-246
Hauptverfasser:	Zabri, S.N., Cahill, R., Schuchinsky, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antennas Applied sciences Circuit properties Electric, optical and optoelectronic circuits Electronics Exact sciences and technology frequency frequency 9 GHz to 12 GHz frequency selective surfaces horizontal field direction Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits polarisation polarisation independent split ring frequency selective surface Radiocommunications ring element TE polarisation Telecommunications Telecommunications and information theory TM polarisation vertical field direction
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Beschreibung
Zusammenfassung:	A frequency selective surface (FSS) is described which exhibits coincident spectral responses for TE and TM polarisation when the FSS operates at 45° incidence. The structure consists of two closely spaced arrays of ring elements with the conductor split at one or two locations to provide independent control of the resonances for the vertical and horizontal field directions. The FSS is designed to diplex two channels separated by an edge of a band ratio of 1.7:1 and yield a common − 10 dB reflection bandwidth of 10.2%. Measured and numerical results are shown to be in good agreement over the frequency range 9–12 GHz.
ISSN:	1350-911X 0013-5194 1350-911X
DOI:	10.1049/el.2012.4428