典型文献
Switchable vortex beam polarization state terahertz multi-layer metasurface
文献摘要：
We propose a switchable vortex beam polarization state terahertz multi-layer metasurface,which consists of three-layer elliptical metal crosses,four-layer dielectrics,and two-layer hollow metal circles,which are alternately superimposed.Under the normal incidence of left-handed circularly polarized(LCP)wave and the right-handed circularly polarized(RCP)waves,the proposed structure realizes three independent control functions,i.e.,focused and vortex beam,vortex beam with different topological charges,and polarization states switching,and azimuth switching of two vortex beams with different polarization states.The results show that the proposed metasurface provides a new idea for investigating the multifunctional terahertz wave modulation devices.
文献关键词：
中图分类号：
作者姓名：
Min Zhong;Jiu-Sheng Li
作者机构：
Center for THz Research,China Jiliang University,Hangzhou 310018,China
文献出处：
引用格式：
[1]Min Zhong;Jiu-Sheng Li-.Switchable vortex beam polarization state terahertz multi-layer metasurface)[J].中国物理B（英文版）,2022(11):347-353
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B类：
Switchable,vortex,polarization,terahertz,layer,metasurface,We,switchable,which,consists,three,elliptical,metal,crosses,four,dielectrics,two,hollow,circles,are,alternately,superimposed,Under,normal,incidence,left,handed,circularly,polarized,LCP,right,RCP,waves,proposed,structure,realizes,independent,control,functions,focused,different,topological,charges,states,switching,azimuth,beams,results,show,that,provides,new,idea,investigating,multifunctional,modulation,devices
AB值：
0.580535
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