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Dynamical beam manipulation based on 2-bit digitally-controlled coding metasurface
Huang, Cheng; Sun, Bo; Pan, Wenbo; Cui, Jianhua; Wu, Xiaoyu; Luo, Xiangang
2017
Source PublicationScientific Reports
ISSN2045-2322
Volume7
AbstractRecently, a concept of digital metamaterials has been proposed to manipulate field distribution through proper spatial mixtures of digital metamaterial bits. Here, we present a design of 2-bit digitally-controlled coding metasurface that can effectively modulate the scattered electromagnetic wave and realize different far-field beams. Each meta-atom of this metasurface integrates two pin diodes, and by tuning their operating states, the metasurface has four phase responses of 0, pi/2, pi, and 3 pi/2, corresponding to four basic digital elements "00", "01", "10", and "11", respectively. By designing the coding sequence of the above digital element array, the reflected beam can be arbitrarily controlled. The proposed 2-bit digital metasurface has been demonstrated to possess capability of achieving beam deflection, multi-beam and beam diffusion, and the dynamical switching of these different scattering patterns is completed by a programmable electric source.
KeywordMETAMATERIALS REFLECTION SCATTERING EFFICIENCY WAVES FRONT
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8890
Collection微细加工光学技术国家重点实验室(开放室)
AffiliationChinese Acad Sci, State Key Lab Opt Technol Nanofabricat & Microeng, Inst Opt & Elect, POB 350, Chengdu 610209, Peoples R China
Recommended Citation
GB/T 7714
Huang, Cheng,Sun, Bo,Pan, Wenbo,et al. Dynamical beam manipulation based on 2-bit digitally-controlled coding metasurface[J]. Scientific Reports,2017,7.
APA Huang, Cheng,Sun, Bo,Pan, Wenbo,Cui, Jianhua,Wu, Xiaoyu,&Luo, Xiangang.(2017).Dynamical beam manipulation based on 2-bit digitally-controlled coding metasurface.Scientific Reports,7.
MLA Huang, Cheng,et al."Dynamical beam manipulation based on 2-bit digitally-controlled coding metasurface".Scientific Reports 7(2017).
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