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Experimental generation of Kagome lattices using metasurface of integrated convex lens

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摘要

In this Letter, we fabricate integrated metasurface of encoded dynamic phases and experimentally generate nonconventional Kagome-type lattices of no second-order phase vortices. The thin metasurface acts analogous to an integration of three conventional optical elements, i.e., six pinholes located at the vertices of two concentric regular triangles of size ratio 1:2, six transparent discs of different thicknesses to introduce a total phase shift difference of 6π and a Fourier lens with focal length in micro-scale. Kagome lattice with required vortex distribution is realized at the “focal” plane of the metasurface under illumination of plane wave.

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作者单位:

    Dezhou University
    山东师范大学物理与电子科学学院
    College of Physics and Electronic Engineering, Dezhou University
    Shanghai institute of optics and fine mechanics
    Dezhou University
    Dezhou University
    Dezhou University
    Dezhou University

引用该论文

Li Zhenhua,Cheng Chuanfu,liu Hanping,Li Dawei,Xu Shicai,Liu Huilan,Zhang Junye,Zhang Suzhen. Experimental generation of Kagome lattices using metasurface of integrated convex lens[J].Chinese Optics Letters,2020,18(1):01.