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Related Experiment Video

Updated: Jan 19, 2026

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
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Reconfigurable metasurface hologram by utilizing addressable dynamic pixels.

Tianyou Li, Qunshuo Wei, Bernhard Reineke

    Optics Express
    |September 13, 2019
    PubMed
    Summary

    Researchers developed a dynamic metasurface hologram using gold/magnesium nanoantennas. This technology allows for reconfigurable phase profiles, enabling dynamic holographic image alteration and advanced information processing.

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    Area of Science:

    • Optics and Photonics
    • Materials Science
    • Nanotechnology

    Background:

    • Metasurfaces offer high-capacity data storage for holographic applications.
    • Existing metasurface holograms are static, limiting dynamic phase profile modification after fabrication.

    Purpose of the Study:

    • To propose and demonstrate a dynamic metasurface hologram with reconfigurable phase profiles.
    • To utilize the chemical properties of magnesium for dynamic holographic control.

    Main Methods:

    • Fabrication of metasurfaces using composite gold/magnesium V-shaped nanoantennas.
    • Implementation of hierarchical reaction kinetics of magnesium via hydrogenation/dehydrogenation.
    • Development of an iterative hologram algorithm based on the Fidoc method for quantified phase relations.

    Main Results:

    • Demonstration of a reconfigurable phase profile in a hydrogen/oxygen environment.
    • Successful reshaping of the reconstructed image through the dynamic phase profile.
    • Introduction of actively controllable dynamic pixels via a hydrogen-regulated chemical process.

    Conclusions:

    • The developed dynamic metasurface hologram offers unprecedented potential for optical encryption.
    • This technology enables dynamic holographic image alteration and advanced information processing.
    • Hydrogen-regulated chemical processes provide a novel pathway for reconfigurable optical devices.