Experimental demonstration of narrow beam monopole antenna embedded in low effective index of refraction (n < 1) wire medium

Rongguo Zhou, Hualiang Zhang, Hao Xin

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A narrow beam monopole antenna is realized by embedding the antenna within a periodic metallic wire array. The 2D wire array is designed to have an effective index of refraction smaller than unity (neff < 1) at the X-band frequencies (8-12 GHz), within which the antenna operates. The narrow beam effect due to the low refractive index of the wire medium is demonstrated in both simulation and experiment. Measured antenna properties including return loss and radiation pattern are in good agreement with simulation results. This simple and straightforward antenna design methodology can be applied at any microwave frequency.

Original languageEnglish (US)
Pages (from-to)2341-2345
Number of pages5
JournalMicrowave and Optical Technology Letters
Volume50
Issue number9
DOIs
StatePublished - Sep 2008

Keywords

  • Metallic wire array
  • Metamaterial
  • Narrow beam antenna

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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