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    Area of Science:

    • Optics and Photonics
    • Polarimetry
    • Image Science

    Background:

    • Mueller polarimetry is essential for characterizing the polarization properties of light-matter interactions.
    • Understanding the impact of spatial coherence is critical for accurate polarimetric measurements, especially in imaging applications.

    Purpose of the Study:

    • To experimentally validate the partial spatial coherence formalism within Mueller polarimetry.
    • To investigate the effect of finite spatial resolution on Mueller matrix measurements.

    Main Methods:

    • Experimental demonstration of partial spatial coherence effects.
    • Convolution of theoretical Mueller matrix data with an instrument function to simulate experimental conditions.

    Main Results:

    • Confirmed the validity of the partial spatial coherence formalism in experimental Mueller polarimetry.
    • Showed that finite spatial resolution leads to a convolution of the theoretical Mueller response with the instrument function.

    Conclusions:

    • The findings are critical for the development and interpretation of data from Mueller imaging systems.
    • Accurate modeling of spatial coherence effects is necessary for high-fidelity polarimetric imaging.