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    Area of Science:

    • Holography
    • Optical Engineering
    • 3D Display Technology

    Background:

    • Traditional holography faces limitations in field of view (FOV) and spatial bandwidth.
    • Multiplexing techniques are crucial for displaying multiple holographic images.

    Purpose of the Study:

    • To propose and demonstrate a curved multiplexing method using curved computer-generated holograms (CCGHs).
    • To enhance the field of view (FOV) and spatial bandwidth for holographic displays.

    Main Methods:

    • Theoretical proposal and experimental demonstration of a curved multiplexing method.
    • Calculation of CCGHs using the point source method.
    • Synthesis of composite holograms from multiple CCGHs with varying central angles.

    Main Results:

    • Successful reconstruction of different 3D objects at the same position using the curved multiplexing method.
    • Validation of the method's feasibility through numerical simulations and optical experiments.
    • Demonstrated increase in field of view (FOV) and spatial bandwidth.

    Conclusions:

    • The curved multiplexing method based on CCGHs is a feasible approach to enhance holographic display capabilities.
    • This method offers potential for integration with curved display screens and flexible display materials.
    • The technique provides a pathway for improved 3D object reconstruction and display.