22 July 2016 Manufacturing methods of testing the large-sized optics at the stage of grinding, aspherical surface centering, and interface elements positioning before gluing
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Abstract
The article describes the method of testing the absolute profile of large-sized astronomical mirrors grinded aspherical surface and the method of test the aspherical surface decentering relative to the astronomical mirror geometrical center by means of a linear three-point spherometer, which is subsequently moved perpendicular to the direction from the optical surface center to the edge, as well as the method of positioning the interface elements being glued.
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Aleksandr P. Semenov, Aleksandr P. Semenov, Magomed A. Abdulkadyrov, Magomed A. Abdulkadyrov, Vladimir E. Patrikeev, Vladimir E. Patrikeev, } "Manufacturing methods of testing the large-sized optics at the stage of grinding, aspherical surface centering, and interface elements positioning before gluing", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99123T (22 July 2016); doi: 10.1117/12.2231572; https://doi.org/10.1117/12.2231572
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