Opto-Electronic Engineering, Volume. 50, Issue 8, 230118(2023)

Broadband achromatic metasurface holography

Ruichen Li1、†, Yijun Zou1、†, Tianhang Chen2、*, Bin Zheng1、**, and Tong Cai3、***
Author Affiliations
  • 1College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
  • 2Chinese Aeronautical Establishment, Beijing 100029, China
  • 3Air Force Engineering University, Xi’an, Shaanxi 710100, China
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    Figures & Tables(7)
    Dispersion effects on imaging devices. (a) Imaging targets; (b) Holographic phase distribution; (c-e) Reconstruction images at 9 GHz, 10 GHz, and 11 GHz
    A broadband dispersion metasurface holographic imaging network model based on the depth image priors (DIP)
    Network training process. (a) The change of network training loss value with the number of iterations; (b) Numerical reconstruction image outputs by the network under different iterations
    Reflective cross-polarized rotational metasurface element. (a) Three-dimensional schematic diagram of the cross-polarization conversion unit; (b) Top-floor metal structure; (c) and (d) Polarization conversion efficiency and phase
    Electric field intensity distributions of broadband dispersion metasurface holographic imaging device at 150 mm
    Distributions of electric field intensity experimentally measured by a broadband dispersion metasurface holographic imaging device at 150 mm
    • Table 1. Structural parameters and reflected phases of different elements

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      Table 1. Structural parameters and reflected phases of different elements

      单元序号开口环角度α/(°)开口环倾斜角度β/(°)外环半径r/mm内环半径(rd)/mm相位/(°)
      9 GHz10 GHz11 GHz
      182453.61.65.32−60.68112.63
      273453.61.65.79−49.91101.65
      364453.61.616.82−39.6391.43
      4157−454.162.1625.56−28.7583.46
      5157−454.022.0235.41−19.4674.09
      6157−453.881.8845.82−10.0464.85
      7157−453.741.7457.700.4254.89
      8157−453.61.670.0011.0445.12
      9151−453.61.677.5119.0736.65
      10145−453.61.687.7629.5925.60
      11138−453.61.698.4840.5114.18
      12131−453.61.6107.3549.664.56
      13125−453.61.6116.5359.035.10
      14118−453.61.6127.0369.8016.11
      15112−453.61.6136.6479.7926.31
      16104−453.61.6147.5691.2338.08
      1798−453.61.6154.6998.7445.95
      1890−453.61.6164.79109.2556.89
      1982−453.61.6174.90119.5067.52
      2073−453.61.6174.08130.2078.45
      2164−453.61.6163.15140.3988.57
      22157454.162.16154.45151.2196.47
      23157454.022.02144.55160.58105.95
      24157453.881.88135.05169.00114.11
      25157453.741.74122.31179.61125.10
      26157453.61.6110.35169.25134.58
      27151453.61.6101.29159.76144.55
      28145453.61.692.15150.35154.44
      29138453.61.681.42139.42165.89
      30131453.61.671.08128.84176.88
      31125453.61.662.21119.76173.76
      32118453.61.653.21110.40164.06
      33112453.61.643.55100.34153.77
      34104453.61.632.5388.80141.89
      3598453.61.624.5380.41133.19
      3690453.61.615.1770.73123.09
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    Ruichen Li, Yijun Zou, Tianhang Chen, Bin Zheng, Tong Cai. Broadband achromatic metasurface holography[J]. Opto-Electronic Engineering, 2023, 50(8): 230118

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    Paper Information

    Category: Article

    Received: May. 19, 2023

    Accepted: Aug. 23, 2023

    Published Online: Nov. 15, 2023

    The Author Email:

    DOI:10.12086/oee.2023.230118

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