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典型文献
Focusing enhanced broadband metalens via height op-timization
文献摘要:
Metalenses are two-dimensional planar metamaterial lenses,which have the advantages of high efficiency and easy integration.Based on the method of spatial multiplexing,a metalens with a wide working waveband is designed by ar-ranging TiO2 nanopillars under the resonance phase regulation.In addition,choosing an assistant metalens with opti-mized heights is effective to enhance metalens's focusing,which is also illustrated in this paper.The metalens,de-signed with numerical aperture(NA)of 0.72 and center working wavelength of 600 nm,achieves the working wave-band of 550-660 nm,the focus point's size of below 420 nm,and the focusing efficiency of more than 30%.
文献关键词:
作者姓名:
WANG Junjie;CHEN Deli;WANG Zhan;XUE Qi;SUN Xiaohong
作者机构:
Henan Key Laboratory of Laser and Opto-electric Information Technology,School of Information Engineering,Zhengzhou University,Zhengzhou 450001,China
引用格式:
[1]WANG Junjie;CHEN Deli;WANG Zhan;XUE Qi;SUN Xiaohong-.Focusing enhanced broadband metalens via height op-timization)[J].光电子快报(英文版),2022(02):72-76
A类:
nanopillars
B类:
Focusing,enhanced,broadband,metalens,via,timization,Metalenses,are,two,dimensional,planar,metamaterial,which,have,advantages,high,efficiency,easy,integration,Based,method,spatial,multiplexing,wide,working,waveband,designed,by,ranging,TiO2,under,resonance,phase,regulation,In,addition,choosing,assistant,opti,mized,heights,effective,focusing,also,illustrated,this,paper,numerical,aperture,NA,center,wavelength,achieves,point,size,below,more,than
AB值:
0.603823
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