Broadband Achromatic and Polarization Insensitive Focused Optical Vortex Generator Based on Metasurface Consisting of Anisotropic Nanostructures

Naitao Song,Nianxi Xu,Jinsong Gao,Xiaonan Jiang,Dongzhi Shan,Yang Tang,Qiao Sun, Hai Liu,Xin Chen

Frontiers in Physics（2022）

引用 7|浏览7

关键词

broadband achromatism,optical vortex,germanium metasurface,polarization insensitive,orbital angular momentum,modal purity,anisotropic nanostructure,longwave infrared

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