• Optocraft GmbH

    Erlangen,

    COMPANY OVERVIEW

    About Optocraft GmbH

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    Am Weichselgarten 7
    Erlangen,
    Germany

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    FIGURE 1. Schematic shows sensor-system configurations for measurement in single (SHSInspect 1Xpass; a) and double pass (SHSInspect 2Xpass; b).
    A Shack-Hartmann wavefront sensor can replace an interferometer or stylus profilometer for measuring lens properties in a lab or production environment.
    FIGURE 1. Glass lenses for a mobile-phone camera (bottom) often exhibit high distortion, as indicated by a digital color-­coded map (shown corrected for tilt and focus errors) of the ­wavefront distortion in transmission (top; up to -10ë in the blue and more than +30ë in the red regions of the map). However, several ­lenses can be combined to complement each other optically, and the whole system will sum to give minimal optical distortion.
    Recent developments in measurement algorithms and accuracy have increased the dynamic range and consistency of Shack-Hartmann sensors. These sensors are now finding use as proof...

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