红外与激光工程, 2021, 50 (1): 20211003, 网络出版: 2021-03-24
宽带消色差红外光学超构透镜研究进展（特邀） 
下载： 1684次
Research progress of broadband achromatic infrared metalens (Invited)
图 & 表
图 1. (a) Geometric phase control mechanism for reflective and transmissive metasurfaces [19-20]； (b) Design principle of resonant phase metasurface [21]； (c) Design of high-contrast metasurfaces (HCMs) based on waveguide transmission phase [21]； (d) Utilizing the relative displacement of the meta-atoms in the unit period to realize the detour phase effect and the design of the metasurface[24]（a）反射型和透射型超表面的几何相位调控机理 [19-20]；（b）共振相位型超构表面设计原理[21]；（c）基于波导传输相位的高对比度介质超表面HCMs (high-contrast metasurfaces)设计[23]；（d）利用超构原子在单元周期内的相对位移实现迂回相位的超构表面设计[24]
Fig. 1.
图 2. (a) Ultra-high numerical aperture (NA >0.99) meta-lens based on asymmetric metaatoms[26]; (b) Transmissive metalens based on geometric phase[27]; (c) Near-infrared wavelength polarization-insensitive metalens based on HCMs meta-surface platform[28]; (d) Mid-wavelength infrared polarization-insensitive metalens based on the Si/MgF2 metasurface platform[28]; (e) Linearly polarized mid-infrared wavelength ultra-thin metalens based on Huygens metasurface[30](a)基于非对称超构原子的超高数值孔径（NA >0.99）超构透镜[26]；（b）基于几何相位的透射型超构透镜 [27]；（c）基于HCMs超表面平台的近红外波长偏振不敏感超构透镜[28]；(d) 基于Si/MgF2超表面平台的中波红外偏振不敏感超构透镜[29]；（e）基于惠更斯超构表面的线偏振中红外波长超薄超构透镜[30]
Fig. 2.
图 3. (a) Reflective broadband achromatic meta-lens based on integrated plasmon resonance phase and geometric phase [31]； (b) Transmissive broadband achromatic metalens via integrated resonance phase of GaN nanopillar and the achromatic imaging[32]； (c) Transmission broadband achromatic metalens in the visible band based on TiO2 metasurface platform [33]； (d) 3D imaging demonstration of white light based polarization-insensitive broadband achromatic metalens array [34]； (e) Comparison of polarization-insensitive achromatic metalens working in the near-infrared band and the metalens without correction of chromatic aberration[35]； (f) Ultra-broadband achromatic polarization-insensitive metalens that can work from visible to near infrared wavelength (640-1 200 nm)[36](a)基于集成等离激元共振相位和几何相位的反射式宽带消色差超构透镜[31]；(b) GaN纳米柱集成共振相位的透射型宽带消色差超透镜及其消色差成像[32]；(c) 基于TiO2超表面平台的的可见光透射型宽带消色差超透镜[33]；(d)偏振不敏感宽带消色差超透镜阵列的白光3D成像展示[34]；（e）工作在近红外波段的偏振不敏感消色差超透镜与无色差修正超透镜对比[35]；(f) 可工作在可见至近红外波长(640~1200 nm)的超宽带消色差偏振不敏感超构透镜[36]
Fig. 3.
图 4. (a) Schematic diagram of polarization-controlled broadband achromatic focused vortex beam generation on a multifunctional silicon-based metasurface; (b) Curve of the lateral displacement of the spot center with wavelength in different polarization states; (c) Measured polarization extinction ratio; (d) Characterization of the FWHMs and diffraction limits of the spots（a）多功能硅基超构表面的偏振调控宽带消色差聚焦涡旋光束产生示意图；(b)不同偏振态下光斑中心横向位移随波长的变化曲线；(c)测量的偏振消光比；(d)光斑的半高宽和衍射极限表征
Fig. 4.
欧凯, 郁菲茏, 陈金, 李冠海, 陈效双. 宽带消色差红外光学超构透镜研究进展（特邀）[J]. 红外与激光工程, 2021, 50(1): 20211003. Kai Ou, Feilong Yu, Jin Chen, Guanhai Li, Xiaoshuang Chen. Research progress of broadband achromatic infrared metalens (Invited)[J]. Infrared and Laser Engineering, 2021, 50(1): 20211003.
PDF全文
