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Updated: Jun 12, 2026

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Quantitative simulation of image correction for astronomy with a segmented active mirror.

R C Smithson, M L Peri, R S Benson

    Applied Optics
    |June 10, 2010
    PubMed
    Summary

    Active mirror systems can partially correct atmospheric turbulence, significantly improving astronomical image resolution. Computer simulations show even modest systems can achieve near-diffraction-limited images.

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    Area of Science:

    • Astronomy and Astrophysics
    • Optical Engineering

    Background:

    • Atmospheric turbulence severely degrades the quality of ground-based astronomical observations.
    • Active mirror systems offer a potential solution for correcting image distortions caused by atmospheric seeing.

    Purpose of the Study:

    • To describe a computer simulation of partial seeing correction using the Lockheed Active Mirror.
    • To quantitatively evaluate the impact of partial correction on simulated wavefronts and image quality.

    Main Methods:

    • Computer simulation of atmospheric turbulence effects on astronomical images.
    • Modeling of a partial correction system using the Lockheed Active Mirror with a specified number of actuators.
    • Quantitative analysis of simulated wavefronts to assess correction effectiveness.

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    Main Results:

    • Partial correction of severe atmospheric seeing disturbances can significantly enhance image resolution.
    • Even with a modest number of mirror actuators, a diffraction-limited image can be achieved.
    • The corrected image is superimposed on a background of scattered light.

    Conclusions:

    • Active mirror systems provide a viable method for partial correction of atmospheric turbulence in ground-based astronomy.
    • Partial correction offers a practical approach to improving image quality and resolution, even when full correction is not feasible.
    • Further development with modest actuator numbers shows promise for achieving high-quality astronomical observations.