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    Synthetic aperture X-ray ghost imaging (SAXGI) was experimentally implemented, achieving megapixel resolution with fewer measurements. This breakthrough enables high-resolution X-ray imaging for broader scientific applications.

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    Area of Science:

    • Optics
    • Imaging Science
    • Physics

    Background:

    • Synthetic aperture X-ray ghost imaging (SAXGI) offers potential for high-resolution imaging with reduced measurements.
    • Previous implementations relied on artificial bucket detector arrays, limiting experimental validation.

    Purpose of the Study:

    • To systematically implement and experimentally verify SAXGI.
    • To demonstrate megapixel resolution X-ray ghost imaging through a novel experimental setup.

    Main Methods:

    • Developed an experimental setup with automatic optical magnification switching (2x and 20x) for object and reference arms.
    • Employed electronic pixel-binning and addressed image registration challenges.
    • Utilized a 40x40 block bucket array for object arm data acquisition.

    Main Results:

    • Successfully achieved SAXGI imaging with a resolution of 1960x1920 pixels at 0.325 µm pixel size.
    • Demonstrated a significant reduction in data acquisition time to a few minutes.
    • Validated the experimental feasibility of SAXGI.

    Conclusions:

    • The developed experimental protocols enable efficient and high-resolution SAXGI.
    • This work paves the way for wider adoption of SAXGI in scientific research.
    • SAXGI is a viable technique for megapixel X-ray ghost imaging.