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Bringing the Visible Universe into Focus with Robo-AO
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Published on: February 12, 2013

Annular-aperture wide-field camera.

G R Carruthers

    Applied Optics
    |April 8, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A novel annular-aperture camera offers effective wide-field imaging in the far and extreme ultraviolet spectrum. This design overcomes limitations of traditional optics in low-efficiency UV ranges.

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    Area of Science:

    • Optics
    • Astronomy
    • Ultraviolet Imaging

    Background:

    • Conventional refractive correctors and reflective mirror coatings have low efficiencies in the far and extreme UV.
    • Imaging in the far and extreme UV presents significant challenges due to material limitations.

    Purpose of the Study:

    • To evaluate the utility of an annular-aperture wide-field camera for UV imaging.
    • To address the limitations of existing optical systems in the far and extreme UV spectrum.

    Main Methods:

    • Analysis of an annular-aperture camera design.
    • Laboratory testing of the camera prototype.
    • The camera design utilizes a spherical mirror with an annular aperture stop.

    Main Results:

    • The annular-aperture camera demonstrates usefulness for imaging in the far and extreme UV.
    • The design functions effectively where conventional optics perform poorly.

    Conclusions:

    • The annular-aperture wide-field camera is a viable imaging solution for the far and extreme UV.
    • This optical design offers advantages over traditional methods in specific UV ranges.