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    Area of Science:

    • Optics
    • Holography
    • Wavefront Modulation

    Background:

    • Self-interference digital holography (SIDH) allows hologram acquisition under incoherent illumination.
    • Wavefront modulating optics are crucial for SIDH, shaping object waves into different curvatures.
    • Existing methods may have limitations in efficiency or complexity.

    Purpose of the Study:

    • To introduce a geometric-phase hologram lens as a polarization-sensitive wavefront modulator and beam splitter for SIDH.
    • To demonstrate the effectiveness of this new optical component in a SIDH system.
    • To present numerical reconstruction results from holograms acquired using the developed system.

    Main Methods:

    • Integration of a geometric-phase hologram lens into a SIDH system.
    • The lens functions as a polarization-sensitive modulator and single-path beam splitter.
    • Acquisition of complex holograms and subsequent numerical reconstruction.

    Main Results:

    • The geometric-phase hologram lens exhibits high transparency and up to 99% modulation efficiency.
    • The lens is thin (millimeters) and flat, offering practical advantages.
    • Successful numerical reconstruction of complex holograms was achieved.

    Conclusions:

    • The geometric-phase hologram lens is a highly efficient and practical component for SIDH.
    • This approach simplifies hologram acquisition under incoherent illumination.
    • The developed system shows promise for advanced holographic applications.