Wideband and low profile polarization conversion meatasurface‐based circularly polarized slot antenna | Zendy

Xu XiaoMing | Zendy; Huang ChenWu | Zendy

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Wideband and low profile polarization conversion meatasurface‐based circularly polarized slot antenna

Author(s) -

Xu XiaoMing,

Huang ChenWu

Publication year - 2019

Publication title -

international journal of rf and microwave computer‐aided engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.335

H-Index - 39

eISSN - 1099-047X

pISSN - 1096-4290

DOI - 10.1002/mmce.21662

Subject(s) - wideband , optics , circular polarization , broadside , conductor , axial ratio , physics , polarization (electrochemistry) , bandwidth (computing) , materials science , microstrip , telecommunications , engineering , chemistry , composite material

The purpose of this study is to investigate the application of a polarization conversion meatasurface for constructing a low profile, wideband circularly polarized slot antenna, which consists of a new Polarization conversion metasurface (PCM)‐based square‐corner‐cut artificial magnetic conductor cell structure and a feeding slot antenna. PCM possesses two frequency points of polarization rotation (PR), produced by appropriately adjusting width between the two triangular metallic patches. A 39.3% (4.7‐7 GHz) of big PR band was realized through the combination of two neighboring PR frequency points. The impedance bandwidth of PCM based patch antenna was measured to be 43.5% (4.5‐7 GHz), with 17.2% (5.3‐6.3 GHz) of 3 dB axial ratio (AR) bandwidth and 0.045 λ 0 of profile. It also generated 7.3 dBic of high broadside gain in operational bandwidth.

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