Metamaterial-Based Antennas

Metamaterials are materials typically engineered with novel or artificial structures to produce electromagnetic properties that are unusual or difficult to obtain in nature. Because of their promise to provide engineerable permittivity, permeability, and index of refraction, metamaterials have drawn...

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Bibliographic Details
Published in:Proceedings of the IEEE 2012-07, Vol.100 (7), p.2271-2285
Main Authors: Dong, Yuandan, Itoh, Tatsuo
Format: Article
Language:English
Subjects:
Antenna measurements
Antenna miniaturization
antennas
composite right/left-handed (CRLH)
Dispersion
dispersion engineering
electrically small antennas (ESAs)
Loaded antennas
Magnetic materials
metamaterial-based antennas
metamaterial-inspired antennas
Metamaterials
Resonant frequency
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Summary:Metamaterials are materials typically engineered with novel or artificial structures to produce electromagnetic properties that are unusual or difficult to obtain in nature. Because of their promise to provide engineerable permittivity, permeability, and index of refraction, metamaterials have drawn broad interest and have led to possible utilization in many electromagnetic applications from the microwave to optical regime, especially for the radiated-wave devices. This paper presents a detailed review upon the most recent research efforts associated with those metamaterial-based small antennas. They are discussed and classified in several different categories such as the antennas based on dispersion engineering, metaresonators, and metamaterial loadings. Some practical difficulties or limitations for the development of metamaterial-based small antennas are pointed out and the possible approaches to resolve these problems are also illustrated. A wide variety of antenna examples are included to facilitate the understanding for general readers.
ISSN:0018-9219
1558-2256
DOI:10.1109/JPROC.2012.2187631