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    Area of Science:

    • Optics and Photonics
    • Imaging Science

    Background:

    • Mueller matrix polarimetry is crucial for material characterization.
    • Existing imaging polarimeters face limitations in object size and illumination.

    Purpose of the Study:

    • To introduce the red-green-blue (RGB)950, an imaging Mueller matrix polarimeter.
    • To demonstrate its capability for imaging medium-sized objects with enhanced illumination and image quality.

    Main Methods:

    • Utilized a bright, broadband extended light source switching between red, green, blue, and near-infrared wavelengths.
    • Employed a large polarization state generator and a high-quality camera for image acquisition.
    • Designed the source for gradual shadow transitions and diffuse specular reflection.

    Main Results:

    • The RGB950 successfully acquired polarimetric images of medium-sized objects (tens of centimeters).
    • Broadband illumination enabled direct comparison with standard RGB camera images.
    • The diffuse source effectively softened shadows and specular reflections.

    Conclusions:

    • The RGB950 is a capable instrument for imaging and polarimetric analysis of various objects.
    • Its design overcomes limitations in object size and illumination control.
    • This polarimeter offers improved image quality for scientific and industrial applications.