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Multiple plasmonic resonance excitations on graphene metamaterials for ultrasensitive terahertz sensing
Chen, Xu1,2; Fan, Wenhui1; Song, Chao1,2; Fan, Wenhui (fanwh@opt.cn)
作者部门瞬态光学技术国家重点实验室
2018-07-01
发表期刊CARBON
ISSN0008-6223
卷号133页码:416-422
产权排序1
摘要

A three-dimensional graphene metamaterial structure consisting of dielectric pillar arrays covered by graphene monolayer with metal layer underneath is proposed and investigated, which can realize the efficient excitations of multiple plasmonic resonance modes under incident terahertz (THz) wave. The multiple plasmonic resonance modes are highly sensitive to the change of analyte refractive index and thickness, and the frequency sensitivity of each resonance mode can reach up to 1.402, 1.687 and 1.643 THz per refractive index unit, respectively. By controlling the Fermi level of graphene, the resonance frequency can be tuned dynamically. Moreover, the proposed structure has three absorption peaks with absorptivity more than 95%, it is polarization-insensitive and can perform very well in a wide incident angles for transverse electric and transverse magnetic waves. This proposed structure can be utilized for active THz plasmonic devices such as multiple channel sensors and absorbers. (C) 2018 Elsevier Ltd. All rights reserved.

文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.carbon.2018.03.051
收录类别SCI ; EI
关键词[WOS]ELECTROMAGNETICALLY INDUCED TRANSPARENCY ; SPECTROSCOPY ; PLATFORM ; LIGHT ; INDEX
语种英语
WOS研究方向Chemistry ; Materials Science
项目资助者National Natural Science Foundation of China(61675230) ; "Hundreds of Talents Programs" of the Chinese Academy of Sciences(J08-029) ; Innovative Project of the Chinese Academy of Sciences(YYYJ-1123-4) ; CAS/SAFEA International Partnership Program for Creative Research Teams
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary
WOS记录号WOS:000431010600052
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30085
专题瞬态光学技术国家重点实验室
通讯作者Fan, Wenhui (fanwh@opt.cn)
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Chen, Xu,Fan, Wenhui,Song, Chao,et al. Multiple plasmonic resonance excitations on graphene metamaterials for ultrasensitive terahertz sensing[J]. CARBON,2018,133:416-422.
APA Chen, Xu,Fan, Wenhui,Song, Chao,&Fan, Wenhui .(2018).Multiple plasmonic resonance excitations on graphene metamaterials for ultrasensitive terahertz sensing.CARBON,133,416-422.
MLA Chen, Xu,et al."Multiple plasmonic resonance excitations on graphene metamaterials for ultrasensitive terahertz sensing".CARBON 133(2018):416-422.
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