Tunable antenna radome based on graphene frequency selective surface | Zendy

Meijun Qu | Zendy; Menglou Rao | Zendy; Shufang Li | Zendy; Li Deng | Zendy

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Tunable antenna radome based on graphene frequency selective surface

Author(s) -

Meijun Qu,

Menglou Rao,

Shufang Li,

Li Deng

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.5003020

Subject(s) - radome , antenna (radio) , dipole antenna , optics , materials science , terahertz radiation , optoelectronics , omnidirectional antenna , band pass filter , computer science , physics , telecommunications

In this paper, a graphene-based frequency selective surface (FSS) is proposed. The proposed FSS exhibits a tunable bandpass filtering characteristic due to the alterable conductivity of the graphene strips which is controlled by chemical potential. Based on the reconfigurable bandpass property of the proposed FSS, a cylindrical antenna radome is designed using the FSS unit cells. A conventional omnidirectional dipole can realize a two-beam directional pattern when it is placed into the proposed antenna radome. Forward and backward endfire radiations of the dipole loaded with the radome is realized by properly adjusting the chemical potential. The proposed antenna radome is extremely promising for beam-scanning in terahertz and mid-infrared plasmonic devices and systems when the gain of a conventional antenna needs to be enhanced

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