期刊
IEEE ACCESS
卷 7, 期 -, 页码 30802-30808出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2019.2903135
关键词
Graphene; multi-beam; reconfigurable; THz antenna
资金
- National Natural Science Foundation of China [61774021, 6181101299, 61674020]
- Fundamental Research Funds for the Central Universities [2018XKJC05]
- Beijing University of Posts and Telecommunications (BUPT) Excellent Ph.D.
- Students Foundation [CX2019315]
- Fund of State Key Laboratory of Information Photonics and Optical Communications (BUPT), China [IPOC2017ZT02, IPOC2017ZZ01]
Several configurations of multi-beam reconfigurable THz antennas based on graphene have been investigated. Two modulation mechanisms of graphene-based THz antenna are introduced, one is the reflector-transmission window model, and the other is the reflector-director model (Yagi-Uda antenna). The main parameters, such as main beam direction, resonance frequency, peak gain, and the front-to-back ratio of the proposed antenna can be controlled by adjusting the chemical potentials of the graphene in the antenna. Moreover, this paper provides an easy way to obtain complex graphene-based multi-beam antennas, showing strong potential in the design of other complex graphene-based systems, enabling nanoscale wireless communications and sensing devices for different applications.
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