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Design of Bidirectional Same-Sense Circularly Polarized Antenna Using Metasurface
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Publication Year
2021-09-20
Journal
2021 15th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2021
Publisher
Institute of Electrical and Electronics Engineers Inc.
Citation
2021 15th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2021, pp.322-324
Mesh Keyword
Antenna gainsAxial ratio bandwidthCircularly polarized antennasCircularly polarized wavesCorner-truncated patchGround planesImpedance bandwidthsMetasurface
All Science Classification Codes (ASJC)
Electronic, Optical and Magnetic MaterialsSurfaces, Coatings and FilmsAtomic and Molecular Physics, and OpticsRadiationSurfaces and Interfaces
Abstract
This paper presents the design of a bidirectional same-sense circularly polarized (CP) antenna using the metasurfaces. The antenna is composed of two metasurfaces and a ground plane with etched slot sandwiched between the two substrates. Each metasurface is made up of an array of 2times 4 corner truncated patches placed back-to-back at the top and bottom of the antenna. The antenna is fed by a 50 Omega coplanar waveguide. The antenna radiates same-sense right-hand CP waves in both the front and back directions. It has overall dimensions of 48 mm times 24 mm times 3 mm (0.91lambda_{0}times 0.45lambda_{0}times 0.05lambda_{0} at 5.7 GHz). The |text{S}text{l}1|lt -10text{d}text{B} impedance bandwidth is 5.21-6.26 GHz (18.4%) and a 3-dB axial ratio (AR) bandwidth is 5.36-6 GHz (11.2%) for both front and back directions. The antenna gain is 3. 0-5.29dBic for both directions within its AR bandwidth.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/36710
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85118942888&origin=inward
DOI
https://doi.org/10.1109/metamaterials52332.2021.9577111
Journal URL
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=9577054
Type
Conference
Funding
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2018R1D1A1A02086071).
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Park, Ikmo 박익모
Department of Electrical and Computer Engineering
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