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Dynamic aberration correction for conformal aircraft windows using the inner window surface and a fixed lens array.

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    This study presents a static optical solution to correct dynamic aberrations in conformal aircraft windows. The innovative method uses a fixed lens array to ensure clear vision across a wide field of regard, improving aircraft window performance.

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    Area of Science:

    • Optical engineering
    • Optoelectronics
    • Aerospace technology

    Background:

    • Conformal aircraft windows introduce dynamic aberrations due to varying look angles.
    • Correcting these aberrations is crucial for maintaining optical performance in aircraft systems.

    Purpose of the Study:

    • To develop a static optical solution for correcting dynamic aberrations in conformal aircraft windows.
    • To address challenges posed by large look angles and ensure system stability.

    Main Methods:

    • Utilizing the inner window surface to balance dynamic aberrations across the full field of regard.
    • Implementing a fixed lens array near the image plane with designed surface shapes and rotation directions for aberration correction.

    Main Results:

    • Demonstrated dynamic aberration correction for conformal windows with a field of regard up to ±42 degrees.
    • The static solution effectively compensates for aberrations introduced by window curvature and viewing angles.

    Conclusions:

    • The proposed static solution offers a lightweight and stable method for correcting dynamic aberrations in conformal aircraft windows.
    • This approach is advantageous for systems requiring a large field of regard and robust optical performance.