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    Optical testing of off-axis parabolic segments without auxiliary optical elements (1989)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: The traditional optical test for an off-axis segment of a parabolic mirror utilizes an autocollimation flat and requires considerable test-bay space. Several other test configurations that will minimize space requirements are described. One method involves a null corrector, and three others require no auxiliary test optics. Combinations of the methods described will be useful in providing full independent evaluation of the figure of the segment under test.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Optical Engineering (ISSN 0091-3286); 28; 71-75
    Format: text
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