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Ultra-wideband circular polarization-maintaining reflection realized by an anisotropic metasurface

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  • Bao-qin Lin
  • Lintao Lv
  • Jianxin Guo
  • Yanwen Wang
  • Zuliang Wang
  • Rui Zhu

Abstract

In this paper, an ultra-wideband circular polarization (CP) maintaining reflector is proposed based on an anisotropic metasurface, which is an orthogonal anisotropic structure with a pair of symmetrical axes u and v perpendicular to each other. The simulated results show that the reflector can realized CP-maintaining reflection under both right-handed and left-handed CP (RHCP and LHCP) incidences in the frequency band between 8.79 and 27.09 GHz, the fractional bandwidth is up to 102%. In addition, the physical mechanism of the CP-maintaining reflection has been analyzed in detail, and one useful formula has been derived, which can be used to calculate the cross- and co-polarization reflection coefficients under CP incidence according to the phase differences between the two reflection coefficients under u and v-polarized incidences. Finally, one effective experimental validation was carried out.

Suggested Citation

  • Bao-qin Lin & Lintao Lv & Jianxin Guo & Yanwen Wang & Zuliang Wang & Rui Zhu, 2020. "Ultra-wideband circular polarization-maintaining reflection realized by an anisotropic metasurface," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 34(10), pages 1420-1429, July.
    • Handle: RePEc:taf:tewaxx:v:34:y:2020:i:10:p:1420-1429
    DOI: 10.1080/09205071.2020.1738964
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