NDLI: Artificial magnetic conductor surfaces and their application to low-profile high-gain planar antennas

Content Provider	IEEE Xplore Digital Library
Author	Feresidis, A.P. Goussetis, G. Shenhong Wang Vardaxoglou, J.C.
Copyright Year	1963
Abstract	Planar periodic metallic arrays behave as artificial magnetic conductor (AMC) surfaces when placed on a grounded dielectric substrate and they introduce a zero degrees reflection phase shift to incident waves. In this paper the AMC operation of single-layer arrays without vias is studied using a resonant cavity model and a new application to high-gain printed antennas is presented. A ray analysis is employed in order to give physical insight into the performance of AMCs and derive design guidelines. The bandwidth and center frequency of AMC surfaces are investigated using full-wave analysis and the qualitative predictions of the ray model are validated. Planar AMC surfaces are used for the first time as the ground plane in a high-gain microstrip patch antenna with a partially reflective surface as superstrate. A significant reduction of the antenna profile is achieved. A ray theory approach is employed in order to describe the functioning of the antenna and to predict the existence of quarter wavelength resonant cavities.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	209
Ending Page	215
Page Count	7
File Size	914074
File Format	PDF
ISSN	0018926X
Volume Number	53
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conductors Planar arrays Phased arrays Magnetic resonance Surface waves Dielectric substrates Reflection Antenna arrays Performance analysis Guidelines low-profile antennas Arrays Artificial magnetic conductors electromagnetic bandgap structures high-gain antennas
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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