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Related Experiment Videos

Membrane mirror and bias electronics.

G S Burley, J R Stilburn, G A Walker

    Applied Optics
    |February 21, 2008
    PubMed
    Summary
    This summary is machine-generated.

    A new electrostatically deformable membrane mirror was developed for adaptive optics. This 100-mm mirror with 31 actuators can perform low-order wave-front correction, including tip-tilt adjustments.

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    Area of Science:

    • Optics and Photonics
    • Mechanical Engineering
    • Electrical Engineering

    Background:

    • Adaptive optics systems require precise wave-front control.
    • Membrane mirrors offer a promising solution for dynamic wave-front shaping.

    Purpose of the Study:

    • To design and construct an electrostatically deformable membrane mirror.
    • To assess its performance for curvature-sensing adaptive optics.

    Main Methods:

    • Fabrication of a 100-mm aluminized nitrocellulose membrane mirror with 31 concentric actuators.
    • Integration of simple bias and driver electronics within the mirror housing.
    • Operation at atmospheric pressure with a high bias voltage and an entrance window to mitigate vibration.

    Main Results:

    Related Experiment Videos

    • The membrane mirror was successfully designed and built.
    • The device operates effectively at atmospheric pressure.
    • Low-order wave-front correction, including tip-tilt, was demonstrated with appropriate bias.

    Conclusions:

    • The electrostatically deformable membrane mirror is suitable for curvature-sensing adaptive optics.
    • The integrated design ensures safety and reduces vibration effects.
    • The mirror provides effective low-order wave-front correction capabilities.