Numerical investigation of tunable multistacked metamaterial-based graphene grating

被引：3

作者：

Parmar, Juveriya ^{[1
]}

Patel, Shobhit K. ^{[2
]}

Ahmed, Kawsar ^{[3
,4
]}

Dhasarathan, Vigneswaran ^{[5
]}

机构：

[1] Marwadi Univ, Dept Phys, Rajkot, Gujarat, India

[2] Marwadi Univ, Dept Elect & Commun Engn, Rajkot, Gujarat, India

[3] Mawlana Bhashani Sci & Technol Univ, Dept Informat & Commun Technol, Tangail, Bangladesh

[4] Mawlana Bhashani Sci & Technol Univ, Biophotomatix Grp, Tangail, Bangladesh

[5] Sri Krishna Coll Technol, Dept ECE, Coimbatore, Tamil Nadu, India

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2021年 / 63卷 / 04期

关键词：

graphene; grating; metamaterial; reflector; THz;

D O I：

10.1002/mop.32719

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：

We present a tunable multistacked metamaterial-based graphene grating structure for the lower THz frequency range. Circular gold wire is placed between graphene layers to obtain wideband response. Reflectance, transmittance, absorption, and refractive index parameters are analyzed for metamaterial-based graphene grating structure. The results show wideband reflectance response ranging from 1 to 2.5 THz frequency. Reflectance in grating can be controlled by different chemical potentials of the graphene sheet. The design results are also analyzed for different incident angles ranging from 0 degrees to 80 degrees. The proposed grating structure has the wideband tunable reflectance response and is envisioned to become basic building blocks of several THz systems which is going to be applicable in circulator, sensor, and imaging applications.

引用

页码：1106 / 1111

页数：6

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