Opto-Electronic Engineering, Volume. 50, Issue 8, 230118(2023)
Broadband achromatic metasurface holography
Fig. 1. Dispersion effects on imaging devices. (a) Imaging targets; (b) Holographic phase distribution; (c-e) Reconstruction images at 9 GHz, 10 GHz, and 11 GHz
Fig. 2. A broadband dispersion metasurface holographic imaging network model based on the depth image priors (DIP)
Fig. 3. 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
Fig. 4. 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
Fig. 5. Electric field intensity distributions of broadband dispersion metasurface holographic imaging device at 150 mm
Fig. 6. Distributions of electric field intensity experimentally measured by a broadband dispersion metasurface holographic imaging device at 150 mm
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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
Category: Article
Received: May. 19, 2023
Accepted: Aug. 23, 2023
Published Online: Nov. 15, 2023
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