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题名:
Staked Graphene for Tunable Terahertz Absorber with Customized Bandwidth
作者: Wang, Yanqin1; Song, Maowen1,2; Pu, Mingbo1; Gu, Yu1; Hu, Chenggang1; Zhao, Zeyu1; Wang, Changtao1; Yu, Honglin2; Luo, Xiangang1
刊名: PLASMONICS
出版日期: 2016-10-01
卷号: 11, 期号:5, 页码:1201-1206
关键词: Metamaterial absorber ; Terahertz absorber ; Tunable absorber ; Graphene
DOI: 10.1007/s11468-015-0162-5
文章类型: Article
英文摘要: Terahertz (THz) absorber with dynamically tunable bandwidth possesses huge application value in the fields of switches, sensors, and THz detection. However, the perfect absorbers based on photonic crystals and metamaterials are not intelligent enough to capture the electromagnetic wave in a tunable way. In this paper, we utilized only patterned graphene to tune the absorption positions and the bandwidth in the terahertz regime. More distinguished than some dynamic absorbers proposed before, the performances with peak frequency relative tuning range of 68 % and nearly unity absorbance are obtained by a single cross-shaped graphene layer. Additionally, the working bandwidth can be broadened with stacked structured graphene. The almost perfect absorption shifted from 2.36 similar to 3.2 to 3.26 similar to 3.99 THz continuously via changing the chemical potential of graphene.
WOS标题词: Science & Technology ; Physical Sciences ; Technology
类目[WOS]: Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]: BROAD-BAND ; PERFECT ABSORBER ; METAMATERIAL ABSORBER ; ABSORPTION ; DISPERSION ; CONVERSION ; EMISSION ; DEVICES ; SURFACE ; REGIME
收录类别: SCI
项目资助者: 973 Program of China(2013CBA01700) ; National Natural Science Funds(61138002 ; 61575201)
语种: 英语
WOS记录号: WOS:000383857400003
ISSN号: 1557-1955
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6479
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610029, Peoples R China
2.Chongqing Univ, Key Lab Optoelect Technol & Syst Educ, Minist China, Chongqing 400044, Peoples R China

Recommended Citation:
Wang, Yanqin,Song, Maowen,Pu, Mingbo,et al. Staked Graphene for Tunable Terahertz Absorber with Customized Bandwidth[J]. PLASMONICS,2016,11(5):1201-1206.
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