激光与光电子学进展, 2019, 56 (20): 202408, 网络出版: 2019-10-22
几何相位电磁超表面:从原理到应用 下载: 5156次特邀综述
Geometric-Phase Metasurfaces: from Physics to Applications
表面光学 超材料 超表面 几何相位 表面等离激元 波束设计 全息成像 optics at surfaces metamaterials metasurfaces geometric phase surface plasmon polaritons beam engineering holography
摘要
从电磁相位的产生机理角度,电磁超表面可分为利用微结构共振响应的共振相位超表面和利用微结构各向异性响应的几何相位超表面。同共振相位超表面相比,几何相位超表面因为具有非色散、偏振依赖、易于制备等特点,因而受到广泛关注。综述了利用几何相位超表面来自由调控电磁波的原理和方法,重点讲述电磁波远场和近场的一系列调控现象并介绍这些现象在全息成像、特殊光束激发和探测、平面消色差透镜等方面的具体应用。
Abstract
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 resonance-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 geometric-phase 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.
胡中, 徐涛, 汤蓉, 郭会杰, 肖诗逸. 几何相位电磁超表面:从原理到应用[J]. 激光与光电子学进展, 2019, 56(20): 202408. Zhong Hu, Tao Xu, Rong Tang, Huijie Guo, Shiyi Xiao. Geometric-Phase Metasurfaces: from Physics to Applications[J]. Laser & Optoelectronics Progress, 2019, 56(20): 202408.