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Broadband phase shift engineering for terahertz waves based on dielectric metasurface
Q.Y.Mu; H.Z.Lin; F.Fan; J.R.Cheng; X.H.Wang; S.J.Chang
2019
发表期刊Optics Communications
ISSN0030-4018
卷号434页码:12-18
摘要Broadband terahertz (THz) phase shift engineering and zero-dispersion waveplates based on dielectric metasurface have been investigated, of which structure is a periodical rectangular scattering units on silicon substrates. By designing proper geometric parameters of metasurface structure, the value, dispersion and bandwidth of the phase shift curves can be effectively manipulated. Based on this, the broadband half waveplate (HWP) and quarter waveplate (QWP) have been designed and fabricated. The experimental results show that the HWP can work in the broad range of 0.7-1.35 THz with the polarization conversion ratio (PCR) of close to 100% and the transmission of over 70%. And the QWP can operate in the range of 0.7 similar to 0.85THz with the PCR of over 90% and the transmission of over 70%. The method of phase shift engineering based on dielectric metasurfaces and these broadband zero-dispersion waveplates have great potential in promoting the performance of THz application systems.
关键词Terahertz,Subwavelength structure,Metasurface,Dispersion control,Waveplate,polarization conversion,birefringence,metamaterials,resonances,mode,Optics
DOI10.1016/j.optcom.2018.10.039
收录类别SCI ; EI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/63129
专题中国科学院长春光学精密机械与物理研究所
推荐引用方式
GB/T 7714
Q.Y.Mu,H.Z.Lin,F.Fan,et al. Broadband phase shift engineering for terahertz waves based on dielectric metasurface[J]. Optics Communications,2019,434:12-18.
APA Q.Y.Mu,H.Z.Lin,F.Fan,J.R.Cheng,X.H.Wang,&S.J.Chang.(2019).Broadband phase shift engineering for terahertz waves based on dielectric metasurface.Optics Communications,434,12-18.
MLA Q.Y.Mu,et al."Broadband phase shift engineering for terahertz waves based on dielectric metasurface".Optics Communications 434(2019):12-18.
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