22 October 2004 Design of zoom lenses used to test optical surfaces having a large radius of curvature
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Abstract
We describe a new method of testing optical surfaces having a very large radius of curvature. The method combines a Fizeau interferometer with a set of specially designed zoom lenses. The zoom lenses make the test setup compact, convenient and flexible in testing optical surfaces having a very large radius of curvature. We review the design of the zoom lenses used for this purpose, and describe their performance, showing that reasonably good reference beams can be provided by these lenses to test optical surfaces having a large and variable range of radii.
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Xianyang Cai, Xianyang Cai, Xinping Liu, Xinping Liu, Chander P. Grover, Chander P. Grover, } "Design of zoom lenses used to test optical surfaces having a large radius of curvature", Proc. SPIE 5524, Novel Optical Systems Design and Optimization VII, (22 October 2004); doi: 10.1117/12.559487; https://doi.org/10.1117/12.559487
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