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    Area of Science:

    • Optics and Photonics
    • Holography
    • Image Processing

    Background:

    • Optical Scanning Holography (OSH) utilizes coherent or incoherent modes for 3D object transparency recording.
    • Coherent mode retrieves object amplitude transparency and phase.
    • Incoherent mode records intensity transparency, suppressing speckle.

    Purpose of the Study:

    • To investigate the performance of Optical Scanning Holography (OSH) in the under-explored partial-coherent mode.
    • To derive the formula for OSH across various coherence modes.
    • To analyze the impact of detector filtering on image reconstruction quality.

    Main Methods:

    • Derivation of OSH formulas for coherent, incoherent, and partial-coherent modes.
    • Analysis of the detector's role as a spatial filter in OSH.
    • Evaluation of image reconstruction artifacts in partial-coherent mode.

    Main Results:

    • The detector in OSH acts as a filter, non-linearly processing the object's amplitude transparency.
    • Partial-coherent mode does not enhance reconstructed image quality.
    • Significant artifacts are introduced in partial-coherent mode, degrading image quality.

    Conclusions:

    • The partial-coherent mode in OSH is not beneficial for image reconstruction.
    • Detector filtering in partial-coherent OSH leads to image degradation and artifacts.
    • Further research should focus on optimizing coherent or incoherent modes for improved OSH performance.