Geometric-Phase Metasurfaces: from Physics to Applications

被引：8
作者：
Hu Zhong [1 ]
Xu Tao [1 ]
Tang Rong [1 ]
Guo Huijie [2 ]
Xiao Shiyi [1 ]
机构：
[1] Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200444, Peoples R China
[2] Fudan Univ, Dept Phys, State Key Lab Surface Phys, Shanghai 200433, Peoples R China
来源：
LASER & OPTOELECTRONICS PROGRESS | 2019年 / 56卷 / 20期
关键词：
optics at surfaces; metamaterials; metasurfaces; geometric phase; surface plasmon polaritons; beam engineering; holography; ORBITAL ANGULAR-MOMENTUM; PANCHARATNAM-BERRY METASURFACE; DIFFRACTION; LIGHT; GRADIENT; FIELD; DISCONTINUITIES; PERMEABILITY; PROPAGATION; REFLECTION;
D O I：
10.3788/LOP56.202408
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
According to the generation mechanism of electromagnetic (EM) phase, electromagnetic metasurfaces can be divided into resonance-based metasurfaces using resonance response of microstructures and geometric-phase metasurfaces using anisotropic response of microstructures. In comparison with the rcsonancc-based metasurfaces, geometric-phase metasurfaces have attracted much attention in recent years because of their non-dispersion, polarization dependence, and easy fabrication. This study presents an overview of the development of geometricphase metasurfaces from the principle and method of their free modulation of EM waves to their extraordinary wavefront manipulation abilities in both the far- and near-field regions. Finally, we also present three typical applications enabled by geometric-phase metasurfaces, including highly efficient meta-hologram, vortex beam generator/detector, and flat achromatic metalens.
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页数：21
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