Dual-band dual-polarization reconfigurable THz antenna based on graphene

被引：17
|
作者：
Lv, Xin-Lei [1 ]
Wu, Bian [1 ]
Zhao, Yu-Tong [1 ]
Zu, Hao-Ran [1 ]
Lu, Wei-Bing [2 ]
机构：
[1] Xidian Univ, Shaanxi Joint Key Lab Graphene, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Peoples R China
[2] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
来源：
APPLIED PHYSICS EXPRESS | 2020年 / 13卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Reconfigurable THz antenna; Dual-band; Dual-polarization; Polarization converter metasurface; Graphene; DESIGN;
D O I：
10.35848/1882-0786/ab9e4b
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A dual-band polarization reconfigurable terahertz antenna is proposed by incorporating a monopole antenna with a graphene-based dual-band active polarization converter metasurface (APCM). The APCM unit cell adopts two perpendicular slots on the top and two biased graphene patches on the bottom, which can be switched from ON (polarization conversion) to OFF (polarization maintain) in dual-band by adjusting the chemical potentials of graphene from 0 to 0.5 eV. By loading the APCM array under the monopole antenna, the dual-band polarization reconfigurable THz antenna achieves four working states including dual linear polarizations and dual circular polarizations.
引用
收藏
页数：6
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