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Proceedings Paper

Manufacturing and testing of two off-axis aspherical mirrors
Author(s): Xuejun Zhang; Zhicheng Weng; Zhongyu Zhang; Quandou Wang; Fengdong Zhang
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Paper Abstract

In this paper, the manufacturing and testing procedures to make large off-axis aspherical mirrors are presented. The difficulties in polishing and testing for both circular aperture and rectangular aperture mirrors are previewed, and a possible solution is given. The two mirrors have been polished by means of CCOS, the final accuracy is 25-nm rms for 770-mm x 210-mm rectangular mirror and 20-nm rms for (phi) 600-mm circular mirror. These results just meet the optical tolerances specified by the designer, and the manufacturing and testing procedures presented here show good ability to make large off-axis aspherical mirrors.

Paper Details

Date Published: 27 December 2001
PDF: 8 pages
Proc. SPIE 4451, Optical Manufacturing and Testing IV, (27 December 2001); doi: 10.1117/12.453609
Show Author Affiliations
Xuejun Zhang, Changchun Institute of Optics, Fine Mechanics, and Physics (China)
Zhicheng Weng, Changchun Institute of Optics, Fine Mechanics, and Physics (China)
Zhongyu Zhang, Changchun Institute of Optics, Fine Mechanics, and Physics (China)
Quandou Wang, Changchun Institute of Optics, Fine Mechanics, and Physics (China)
Fengdong Zhang, Changchun Institute of Optics, Fine Mechanics, and Physics (China)


Published in SPIE Proceedings Vol. 4451:
Optical Manufacturing and Testing IV
H. Philip Stahl, Editor(s)

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