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    Precise aberration measurement is key for anisoplanatic imaging. This study introduces user-derived aberrations using a liquid crystal spatial light modulator (LC-SLM) and optical test benches for dynamic point spread function (PSF) analysis.

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    Area of Science:

    • Optical engineering
    • Image processing
    • Wavefront sensing

    Background:

    • Accurate aberration measurement is critical for anisoplanatic imaging.
    • User-generated aberrations can significantly impact optical system performance.
    • Understanding the spatiotemporal point spread function (PSF) is essential for mitigating these effects.

    Purpose of the Study:

    • To define and measure aberrations in optical systems.
    • To introduce and control user-derived aberrations using a liquid crystal spatial light modulator (LC-SLM).
    • To study the spatiotemporal PSF and its dynamic behavior.

    Main Methods:

    • Defined the optical system point spread function (PSF).
    • Introduced low-order Zernike ensembles as user-derived aberrations via an LC-SLM.
    • Employed Shack Hartmann and curvature wavefront sensors on a versatile optical test bench.
    • Utilized dynamic phase maps for spatiotemporal PSF analysis.

    Main Results:

    • Demonstrated a method to introduce and control user-derived aberrations.
    • Enabled the study of spatiotemporal PSF variations.
    • Showcased the use of optical test benches with advanced wavefront sensors.

    Conclusions:

    • Precise aberration measurement and control are feasible using LC-SLMs and optical test benches.
    • The described methods facilitate the study of anisoplanatic imaging.
    • This work provides a foundation for advanced optical system characterization and correction.