20 July 2000 Off-axis method of testing convex surfaces that utilizes optics of aperture smaller than that of the surface under test
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Abstract
An interferometric test is described that allows the testing of a convex surface from its reflective side with conjugate off-axis light beams. The apertures of the auxiliary optics are smaller than that of the surface under test. A method of centering the convex surface in the testing beams is presented.
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Rick Dale Blakley, Rick Dale Blakley, } "Off-axis method of testing convex surfaces that utilizes optics of aperture smaller than that of the surface under test", Proc. SPIE 4003, Optical Design, Materials, Fabrication, and Maintenance, (20 July 2000); doi: 10.1117/12.391499; https://doi.org/10.1117/12.391499
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