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A Wideband Circularly Polarized Horn Antenna using Transmission Type Linear to Circular Polarization converter for Ka-band Applications

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

In this paper, a wideband circularly polarized horn antenna operating in Ka-band is proposed. A multi-layer frequency selective surface-based wideband transmission type linear to circular polarization converter is integrated with a Ka-band standard gain linearly polarized (LP) horn antenna to arrive at a circularly polarized (CP) horn antenna design. The polarization converter (PC) consists of four layers of FR4 substrate, each of 20 mil thickness with a horizontal metallic strip printed on one side. The overall size of the PC is 0.37 ?0 × 0.37 ?0 × 0.65?0 (?o corresponds to the wavelength at 26.5 GHz). A 62×62 array of the unit cell of the PC is fabricated and integrated with the Ka-band horn antenna. The LP horn antenna with the PC shows a 3-dB axial ratio bandwidth of 30.4% (26.5 to 36 GHz) in measurement. The measured gain of the circularly polarized horn antenna ranges between 10 dBiC to 13.2 dBiC in the operating frequency band.

Original languageEnglish
Title of host publication2021 51st European Microwave Conference, EuMC 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages494-497
Number of pages4
ISBN (Electronic)9782874870637
DOIs
StatePublished - 2021
Externally publishedYes
Event51st European Microwave Conference, EuMC 2021 - London, United Kingdom
Duration: 4 Apr 20226 Apr 2022

Publication series

Name2021 51st European Microwave Conference, EuMC 2021

Conference

Conference51st European Microwave Conference, EuMC 2021
Country/TerritoryUnited Kingdom
CityLondon
Period4/04/226/04/22

Bibliographical note

Publisher Copyright:
© 2022 European Microwave Association.

Keywords

  • Polarization converter
  • circular polarization (CP)
  • frequency selective surface(FSS)
  • horn antenna

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Instrumentation

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