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    We introduce phase-shift digital holography (DH) using a one-bit sensor. This method reconstructs object fields from binarized holograms, demonstrating a novel approach for holographic imaging.

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    Area of Science:

    • Optics and Photonics
    • Digital Imaging

    Background:

    • Digital holography (DH) enables 3D reconstruction of objects.
    • Traditional DH requires high-resolution sensors, increasing cost and complexity.
    • Binarization of holographic data presents challenges in field recovery.

    Purpose of the Study:

    • To propose and demonstrate phase-shift digital holography (DH) utilizing a one-bit image sensor.
    • To investigate the feasibility of reconstructing complex object fields from binarized holographic data.
    • To explore artifact suppression techniques for one-bit DH.

    Main Methods:

    • Employing a phase-shifter to binarize the propagating complex field from an object using a one-bit sensor.
    • Calculating the complex field on the hologram plane from the one-bit image data.
    • Recovering the object field via Fresnel back-propagation and artifact filtering.

    Main Results:

    • Successfully demonstrated the concept of one-bit phase-shift DH.
    • Preliminary experiments utilized synthetically binarized holograms for validation.
    • Both single-shot and multi-shot acquisition methods were explored.

    Conclusions:

    • One-bit phase-shift DH is a viable method for holographic imaging.
    • The proposed technique offers a potential pathway to simplified and cost-effective holographic systems.
    • Further research is needed to optimize artifact suppression and performance.