Multi Mode Reconfigurable Terahertz Microstrip Antenna Based on Graphene

被引：3

作者：

Li Jianing ^{[1
]}

Li Chunshu ^{[1
]}

Cheng Zhaoyang ^{[1
]}

Chen Wenyang ^{[1
]}

Luo Huan ^{[1
]}

Feng Yuyang ^{[1
]}

Jiang Wenchao ^{[1
]}

机构：

[1] Ningxia Univ, Sch Phys & Elect Engn, Yinchuan 750021, Ningxia, Peoples R China

来源：

LASER & OPTOELECTRONICS PROGRESS | 2022年 / 59卷 / 03期

关键词：

materials; graphene; terahertz; reconfigurable antenna; microstrip antenna;

D O I：

10.3788/LOP202259.0316006

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In order to meet the needs of large-capacity data transmission and equipment miniaturization of communication equipment, a multi-mode reconfigurable terahertz microstrip antenna including rectangular chip, media substrate and slotted floor is proposed in this paper. Based on the electrically controllable characteristics of graphene materials in the terahertz band, 3 groups of graphene are distributed as regulator switches in the slotting, and the switch is switched off by controlling the bias voltage of graphene. The antenna has 6 frequency reconfigurable modes, the resonant frequency is distributed in the range of 2. 652-4. 565 THz, the -10 dB bandwidth is greater than 10% , the maximum radiation gain is 2 dBi , and the reflection coefficient is lower than - 15 dB , showing good radiation characteristics. The use of a single group of graphene as a fine-tuning control unit can realize the tunable function of the antenna in the small frequency range, which has great application potential in the design of graphene terahertz reconfigurable antennas and antenna arrays.

引用

页数：8

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