Anisotropic meta-surface-based wideband high gain circularly polarized patch antenna

Kunal Srivastava, Sachin Kumar, Santanu Dwari, Binod Kumar Kanaujia, Hyun Chul Choi, Kang Wook Kim

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

In this paper, a new anisotropic meta-surface-based circularly polarized antenna is presented. The polarization of the radiating patch changes from linear to circular using the proposed meta-surface design. The reference antenna is designed on the FR-4 dielectric substrate of thickness of 1.6 mm (and 4.8 mm) to analyze the effects of meta-surface. The proposed meta-surface antenna exhibits impedance bandwidth (S11<–10 dB) of 1.34 GHz (3.24–4.58 GHz), 3-dB axial ratio bandwidth of 1.004 GHz (3.59–4.594 GHz), and a peak gain of 7.83 dBi.

Original languageEnglish
Pages (from-to)594-604
Number of pages11
JournalElectromagnetics
Volume40
Issue number8
DOIs
StatePublished - 16 Nov 2020

Keywords

  • Circular polarization
  • gain
  • meta-surface
  • patch antenna
  • wideband

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