Abstract
In this paper, the radiation characteristics of frequency tunable graphene based metamaterial reflectarray have been investigated. The unit-cell consists of graphene two gaps split-ring-resonator (SRR) printed on a thick SiO2 substrate. The metamaterial parameters of the unit-cell have been calculated at different graphene chemical potentials and different SRR gaps. Using waveguide simulator, the reflection coefficient phase of the graphene metamaterial reflectarray unit-cell has been investigated. A 13 × 13 graphene metamaterial reflectarray antenna fed by a circular horn antenna is designed and analyzed at different graphene chemical potentials. Full-wave analysis for the graphene metamaterial reflectarray antenna has been applied using the finite integration technique.
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Zainud-Deen, S.H., Mabrouk, A.M. & Malhat, H.A. Frequency Tunable Graphene Metamaterial Reflectarray. Wireless Pers Commun 103, 1849–1857 (2018). https://doi.org/10.1007/s11277-018-5884-1
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DOI: https://doi.org/10.1007/s11277-018-5884-1