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Proceedings Paper

Processing and compensating test of large convex spherical lens
Author(s): Weihua Chen; Yu Yang; Liping Chang; Baoqing Zhu; Bao'an Zhang
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Paper 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.

Paper Details

Date Published: 30 May 2006
PDF: 6 pages
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
Show Author Affiliations
Weihua Chen, Shanghai Institute of Optics and Fine Mechanics (China)
Yu Yang, Shanghai Institute of Optics and Fine Mechanics (China)
Liping Chang, Shanghai Institute of Optics and Fine Mechanics (China)
Baoqing Zhu, Shanghai Institute of Optics and Fine Mechanics (China)
Bao'an Zhang, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 6148:
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
Yudong Zhang; Wenhan Jiang; Myung K. Cho, Editor(s)

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