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Robust full Stokes imaging polarimeter with dynamic calibration.

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    We developed a new full Stokes imaging polarimeter by combining a rotating retarder with a polarization camera. This setup enables accurate polarization measurements, even with changing environmental conditions.

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    Area of Science:

    • Optics and Photonics
    • Image Sensors
    • Polarimetry

    Background:

    • Polarization imaging is crucial for various scientific and industrial applications.
    • Standard polarization cameras often struggle to capture full Stokes parameters.
    • Dynamic environmental changes can affect the accuracy of polarization measurements.

    Purpose of the Study:

    • To present a novel full Stokes imaging polarimeter.
    • To demonstrate a method for capturing complete polarization information using a polarization camera.
    • To enable accurate polarization measurements in dynamic environments.

    Main Methods:

    • Utilized a rotating retarder in conjunction with a polarization camera.
    • The polarization camera features a pixelated polarizer array on its detector.
    • Developed a technique for dynamic recalibration during measurements.

    Main Results:

    • Successfully captured full Stokes images by combining the rotating retarder and polarization camera.
    • Demonstrated the capability for dynamic recalibration of the system.
    • Achieved accurate polarization measurements despite changing retardance.

    Conclusions:

    • The proposed system effectively provides full Stokes imaging capabilities.
    • Dynamic recalibration ensures measurement accuracy in variable conditions.
    • This imaging polarimeter offers a robust solution for polarization-sensitive applications.