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    Area of Science:

    • Optics and Photonics
    • Digital Imaging
    • Computational Photography

    Background:

    • Traditional computer-generated holography (CGH) often requires coherent light sources.
    • Mobile devices offer readily available, portable light sources with high display resolution.

    Purpose of the Study:

    • To propose and demonstrate a novel CGH method utilizing incoherent light from a mobile phone screen.
    • To enable 3D color image reproduction using accessible technology.

    Main Methods:

    • A cascade of holograms was proposed, with the initial hologram being a color image on a mobile phone screen.
    • The hologram cascade was synthesized by solving an inverse problem for incoherent light propagation.
    • A two-layered hologram cascade, involving an iPhone and a spatial light modulator, was employed for demonstration.

    Main Results:

    • Successful reproduction of a three-dimensional color image was achieved.
    • The method leverages the inverse problem to reconstruct images from incoherent light.
    • Demonstration utilized a practical setup with a smartphone and spatial light modulator.

    Conclusions:

    • The proposed method successfully implements computer-generated holography using incoherent light from a mobile phone.
    • This approach offers a new pathway for accessible and portable 3D color image display.
    • The technique shows potential for applications in holographic displays and imaging.