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    Area of Science:

    • Optics and Imaging Science
    • Photonics and Spectroscopic Techniques

    Background:

    • Spatial Frequency Modulation Imaging (SPIFI) is a structured illumination single pixel imaging technique.
    • Current SPIFI implementations often use rotating modulation disks, resulting in exposure times of tens of milliseconds.

    Purpose of the Study:

    • To introduce a novel SPIFI architecture utilizing a polygonal scan mirror.
    • To significantly decrease SPIFI line image exposure times.
    • To improve resolution for long working distance optics.

    Main Methods:

    • Implementation of a polygonal scan mirror for SPIFI.
    • Facet-to-facet measurement and correction for polygonal scan design.
    • Development of a new anamorphic magnification scheme.

    Main Results:

    • Reduced SPIFI line image exposure times by two orders of magnitude.
    • Achieved improved resolution for long working distance optical systems.
    • Demonstrated a novel approach to polygonal scan mirror calibration.

    Conclusions:

    • The new polygonal scan mirror architecture offers a substantial advancement in SPIFI.
    • This technique enables faster and higher-resolution imaging for specific optical setups.
    • The advancements are crucial for applications requiring rapid, high-fidelity imaging.