30 May 2006 Processing and compensating test of large convex spherical lens
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Proceedings Volume 6148, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes; 61480S (2006) https://doi.org/10.1117/12.674104
Event: 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2005, Xian, China
Abstract
Processing and compensating test of large convex spherical lens is a complicated problem for the time being. In this paper, based on the theoretical analysis and our practical experience of lens processing, a new processing technique and a null compensating test method, or called inner measurement, to the large caliber convex sphere is presented. This processing technique can effectively overcome the deformation in the influence of the gravity and support. Meanwhile this inner measurement can also overcome effectively the defects of the template method to the surface finish quality of the test elements and the problem of deficiency of the measurement aperture. This method can obtain high machining and measurement accuracies.
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Weihua Chen, Weihua Chen, Yu Yang, Yu Yang, Liping Chang, Liping Chang, Baoqing Zhu, Baoqing Zhu, Bao'an Zhang, Bao'an Zhang, } "Processing and compensating test of large convex spherical lens", Proc. SPIE 6148, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 61480S (30 May 2006); doi: 10.1117/12.674104; https://doi.org/10.1117/12.674104
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