Compact broadband circular polariser based on two-layer frequency-selective surfaces

A compact two-layer frequency-selective surface is presented to design circular polarisers for broadband applications. By optimising the parameters of the semi-circle metal strip element, an excellent simulated bandwidth of axial ratio (AR) (lower than 3 dB) is achieved from 10.02 to 11.09 GHz, whil...

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Veröffentlicht in:	Electronics letters 2015-07, Vol.51 (15), p.1134-1136
Hauptverfasser:	Hou, Jian-Qiang, Shi, Ling-Feng, Chen, Sen, Gou, Zhong-Rong
Format:	Artikel
Sprache:	eng
Schlagworte:	Antennas and propagation axial ratio Broadband broadband applications Circularity compact broadband circular polariser Design engineering frequency 9 GHz to 12 GHz frequency selective surfaces microwave photonics Noise levels oblique incidence angles optical polarisers Optimization semi‐circle metal strip element Simulation transmission coeffi‐ cient two‐layer frequency‐selective surfaces Unit cell X-band X‐band circular polariser prototype
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