NDLI: Flat metamaterial antenna with dual-circular-polarization at the −1st-order-resonance mode, applicable to reconfigurable RF systems

Content Provider	IEEE Xplore Digital Library
Author	Inkyu Yang Sungtek Kahng Kyungseok Kahng Segyoon Mok Seongryong Yoo Anguera, J.
Copyright Year	2013
Description	Author affiliation: Dept. of Inf. & Telecommun. Eng., Univ. of Incheon, Incheon, South Korea (Inkyu Yang; Sungtek Kahng; Kyungseok Kahng; Segyoon Mok; Seongryong Yoo) \|\| Technol. & Intellectual Property Rights Dept., Fractus, Barcelona, Spain (Anguera, J.)
Abstract	In this paper, a novel compact and dual-circular-polarized antenna is proposed. To be physically small, the electromagnetic wave is radiated at the -1st-order resonance mode of a planar composite right- and left-handed(CRLH) antenna, instead of the +1st resonance mode. To enable two circular polarizations in one structure, the orthogonal coaxial feed points for the 90°-angular difference are decided at the -1st resonance mode, and connected to the output ports of a hybrid branch-line coupler for 90°-phase difference. The functional block diagram is given, and is followed by the steps of full-wave simulations for design and the performance is verified by the measurement of the fabricated antenna with the test frequency of the 2.37-2.40 GHz band. The LHCP and RHCP will be observed with good inter-polarization isolation and axial ratio, and the applicability to a compact reconfigurable RF device will be considered.
Starting Page	968
Ending Page	969
File Size	305316
Page Count	2
File Format	PDF
ISSN	15223965
e-ISBN	9781467353175
DOI	10.1109/APS.2013.6711143
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Antenna measurements Microstrip antennas Metamaterials Resonant frequency Microwave antennas
Content Type	Text
Resource Type	Article

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