A proximity coupled wideband graphene antenna with the generation of higher order TM modes for THz applications

被引：51
作者：
Varshney, Gaurav [1 ]
Verma, Astha [5 ]
Pandey, V. S. [2 ]
Yaduvanshi, R. S. [3 ]
Bala, Rajni [4 ]
机构：
[1] Madnapalle Inst Technol & Sci, Madnapalle 517325, Andhra Pradesh, India
[2] NIT, Dept Appl Sci, Delhi 110040, India
[3] AIACTR, Dept Elect & Commun Engn, Delhi 110031, India
[4] NIT, Dept Elect & Commun Engn, Kurukshetra 136118, Haryana, India
[5] IIIT Delhi, New Delhi 110017, India
来源：
OPTICAL MATERIALS | 2018年 / 85卷
关键词：
Graphene antenna; Higher order modes; Proximity coupling; THz band; Wideband; PATCH ANTENNA; DIPOLE ANTENNA; PLASMONS; DESIGN;
D O I：
10.1016/j.optmat.2018.09.015
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A proximity coupled wideband graphene patch antenna is proposed for THz applications. Antenna resonates with the closely placed higher order TM1 delta modes (4 <= delta <= 12 or more). The generation of the large number of modes with resonant frequencies close to each other provides the wideband response. The wideband graphene antenna is modeled to obtain the optimum values of physical parameters. The antenna parameters are defined for the impedance matching and tuning of the frequency response. Varying the physical parameters, the antenna response can also be tuned to obtain the multiband response. The proposed antenna enables to achieve 109.25% impedance bandwidth.
引用
收藏
页码：456 / 463
页数：8
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