A Low-Profile Printed Planar Phase Correcting Surface to Improve Directive Radiation Characteristics of Electromagnetic Band Gap Resonator Antennas

This communication presents a method to enhance the radiation performance of conventional electromagnetic band gap resonator antennas (ERAs) by improving their aperture phase distributions. A low-profile printed planar phase correcting surface (PCS) was designed and fabricated to demonstrate perform...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2016-01, Vol.64 (1), p.276-280
Main Authors: Afzal, Muhammad U., Esselle, Karu P.
Format: Article
Language:English
Subjects:
Antennas
Aperture field
Apertures
cavity resonator
Cavity resonators
Dielectric resonator antennas
Dielectrics
Directivity
directivity enhancement
electromagnetic band gap resonator antenna
ERA
Fabry-Perot resonator
frequency selective surface (FSS)
highgain
Lenses
Lobes
Noise levels
Optical resonators
patch antennas
Performance enhancement
phase correction
Phase distribution
phase shifting surface
Reduction
Resonators
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Description
Summary:This communication presents a method to enhance the radiation performance of conventional electromagnetic band gap resonator antennas (ERAs) by improving their aperture phase distributions. A low-profile printed planar phase correcting surface (PCS) was designed and fabricated to demonstrate performance enhancement. Measurements of a prototype demonstrated that the PCS significantly enhances the directive radiation properties of ERAs. This includes an 8 dB increase in peak directivity, 60% reduction in 3 dB beamwidth (from 35° to 14°), and a considerable reduction in side lobe levels.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2015.2493159