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典型文献
Dual-function terahertz metasurface based on vanadium dioxide and graphene
文献摘要：
A dual-function terahertz metasurface based on VO2 and graphene is proposed in this paper.It consists of a gold layer embedded with VO2 patches,a SiO2 spacer layer,a VO2 layer,graphene and a SiO2 spacer substrate.When the bottom VO2 layer is in the metallic state,the designed metasurface can achieve absorption.When the top VO2 patches are in the metallic state,the proposed metasurface can be used as a single-band absorber with terahertz absorptance of 99.7％at 0.736 THz.When the top VO2 patches are in the insulating state,the designed structure behaves as a dual-band absorber with an absorptance of 98.9％at 0.894 THz and 99.9％at 1.408 THz.In addition,the absorber is polarization insensitive and keeps good performance at large angles of incidence.When the bottom VO2 is in an insulating state,the metasurface shows electromagnetically induced transparency.The transparent window can be dynamically regulated by controlling the chemical potential of graphene.The proposed metasurface exhibits the advantages of terahertz absorption,electromagnetically induced transparency and dynamic control,which provides more options for the design of terahertz devices in the future.
文献关键词：
中图分类号：
[1] 医药、卫生（R） / 药学（R9） / 药理学（R96） / 实验药理学（R965）
[2] 自动化技术、计算机技术（TP） / 计算技术、计算机技术（TP3） / 计算机的应用（TP39） / 信息处理(信息加工)（TP391）
[3] 数理科学和化学（O） / 力学（O3） / 振动理论（O32） / 非线性振动（O322）
作者姓名：
Jiu-Sheng Li;Zhe-Wen Li
作者机构：
Centre for THz Research,China Jiliang University,Hangzhou 310018,China
文献出处：
中国物理B（英文版）
引用格式：
[1]Jiu-Sheng Li;Zhe-Wen Li-.Dual-function terahertz metasurface based on vanadium dioxide and graphene)[J].中国物理B（英文版）,2022(09):320-326
A类：
absorptance
B类：
Dual,function,terahertz,metasurface,vanadium,dioxide,graphene,dual,VO2,proposed,this,paper,It,consists,gold,layer,embedded,patches,SiO2,spacer,substrate,When,bottom,metallic,state,designed,can,achieve,absorption,top,used,single,band,absorber,THz,insulating,structure,behaves,In,addition,polarization,insensitive,keeps,good,performance,large,angles,incidence,shows,electromagnetically,induced,transparency,transparent,window,dynamically,regulated,by,controlling,chemical,potential,exhibits,advantages,which,provides,more,options,devices,future
AB值：
0.419461
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