A Wideband Multimode Permeable Conformal Antenna Thinner Than λ/75 Using Advanced Ferromagnetic Laminate Composite Materials

Tara Yousefi, Chris B. Daniel, David T. Auckland, Rodolfo Diaz

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

A conformal permeable toroidal antenna operating in both a vertically polarized monopole mode and circularly polarized (CP) dipole mode in the UHF frequency range is designed based on theory of magneto-dielectric radiators. This antenna has been fabricated using a new advanced ferromagnetic laminate composite material whose high impedance and anisotropic properties enable an antenna that radiates via magnetic currents. The antenna, less than 0.5 m in diameter and less than 2 cm thick, was fabricated and tested. Including the imperfections of the feed network and a simple matching scheme, the antenna operates from 200 to 500 MHz with an input match of better than -10 dB, CP dipole realized gain as high as +2 dBi, and monopole mode vertically polarized gain as high as -1 dBi.

Original languageEnglish (US)
Pages (from-to)1931-1934
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Volume15
DOIs
StatePublished - Jan 1 2016

Keywords

  • Conformal antennas
  • ferromagnetic materials
  • multifunction antenna
  • multimode antenna
  • wideband antenna

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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