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New Concept Conformal Antennas Utilizing Metamaterial and Transformation Optics

Author(s)
Luo, Yu; Zhang, Jingjing; Chen, Hongsheng; Kong, Jin Au; Ran, Lixin
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Abstract
In this letter, we show by theoretical analysis and computer simulation that conformal antennas can be designed using metamaterial with inhomogeneous constitutive parameters by applying the electromagnetic coordinate transformation approach, which is the technique used to realize electromagnetic invisibility. We demonstrate that, a source of arbitrary shape and position in the free space can be replaced by an properly designed metamaterial coating with current distributed on the inner surface and would not be detected by outer observers, because the emission of the source can be controlled at will in this way. As examples, we design two conformal antennas by transforming a simple dipole antenna and a standard array antenna separately to illustrate the possible applications of this kind of transformation.
Date issued
2008-12
URI
http://hdl.handle.net/1721.1/54739
Department
Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal
IEEE Antennas and Wireless Propagation Letters
Publisher
Institute of Electrical and Electronics Engineers
Citation
Yu Luo et al. “New Concept Conformal Antennas Utilizing Metamaterial and Transformation Optics.” Antennas and Wireless Propagation Letters, IEEE 7 (2008): 509-512. © 2009 Institute of Electrical and Electronics Engineers.
Version: Final published version
Other identifiers
INSPEC Accession Number: 10399618
ISSN
1536-1225
Keywords
metamaterial, transformation optics, Conformal antennas

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