4 September 2008 Active alignment for the Large Binocular Telescope Bent-Gregorian focus: first results
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Abstract
This paper outlines progress to-date with the commissioning of the Bent-Gregorian focus at the Large Binocular Telescope. Active alignment at this focus utilizes and auto-guider system and a Shack Hartman wavefront sensor to determine system perturbations and drive corrections into various active optical components. Reported results include the correction of bi-nodal astigmatism, performance of the Shack-Hartman wavefront sensor, convergence of wavefront correction, convergence time, as well as various results pertaining to tracking and guiding.
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A. Rakich, A. Rakich, D. L. Miller, D. L. Miller, } "Active alignment for the Large Binocular Telescope Bent-Gregorian focus: first results", Proc. SPIE 7068, Optical System Alignment and Tolerancing II, 70680D (4 September 2008); doi: 10.1117/12.797984; https://doi.org/10.1117/12.797984
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