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CLC number: O436.2

On-line Access: 2021-03-08

Received: 2020-04-06

Revision Accepted: 2020-06-10

Crosschecked: 2020-08-18

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Frontiers of Information Technology & Electronic Engineering  2021 Vol.22 No.3 P.334-340

http://doi.org/10.1631/FITEE.2000079


Graphene-metasurface for wide-incident-angle terahertz absorption


Author(s):  Ri-hui Xiong, Xiao-qing Peng, Jiu-sheng Li

Affiliation(s):  Center for THz Research, China Jiliang University, Hangzhou 310018, China; more

Corresponding email(s):   lijsh2008@126.com

Key Words:  Graphene-metasurface, Terahertz absorber, Omega-shaped graphene patterns


Ri-hui Xiong, Xiao-qing Peng, Jiu-sheng Li. Graphene-metasurface for wide-incident-angle terahertz absorption[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(3): 334-340.

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author="Ri-hui Xiong, Xiao-qing Peng, Jiu-sheng Li",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="22",
number="3",
pages="334-340",
year="2021",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2000079"
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%T Graphene-metasurface for wide-incident-angle terahertz absorption
%A Ri-hui Xiong
%A Xiao-qing Peng
%A Jiu-sheng Li
%J Frontiers of Information Technology & Electronic Engineering
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%D 2021
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2000079

TY - JOUR
T1 - Graphene-metasurface for wide-incident-angle terahertz absorption
A1 - Ri-hui Xiong
A1 - Xiao-qing Peng
A1 - Jiu-sheng Li
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 22
IS - 3
SP - 334
EP - 340
%@ 2095-9184
Y1 - 2021
PB - Zhejiang University Press & Springer
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DOI - 10.1631/FITEE.2000079


Abstract: 
We demonstrate a graphene-metasurface structure for tunable wide-incident-angle terahertz wave absorption, which involves depositing planar arrays of omega-shaped graphene patterns on a silicon dioxide substrate. We also discuss how the graphene Fermi-level layer and various substrates affect the absorption characteristics. The absorption of the proposed terahertz absorber is above 80% at an incident angle of 0°–60° in frequencies ranging from 0.82 to 2.0 THz. Our results will be very beneficial in the application of terahertz wave communications and biomedical imaging/sensing systems.

石墨烯超表面宽入射角太赫兹吸收

熊日辉1,彭小青2,李九生1
1中国计量大学太赫兹研究所,中国杭州市,310018
2四川国家电网公司,中国成都市,610041
摘要:针对可调宽带宽入射角太赫兹波吸收器,本文提出一种石墨烯超表面结构,该结构在二氧化硅基底上沉积了按平面阵列分布的欧米伽型石墨烯图案。讨论了石墨烯费米能级层和各种基底对吸收特性的影响。在0.82–2.0 THz频率范围内,当入射角为0°–60°时,该太赫兹吸收器的吸收率超过80%。本文研究成果将惠及太赫兹波通信和生物医学成像/传感系统的应用。

关键词:石墨烯超表面;太赫兹吸收器;欧米伽形石墨烯图案

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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