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Proceedings Paper

Research on a diamond turning method for large aspherical mirrors
Author(s): Cheng-Shun Han; Long-Jiang Zhang; Yong Ren; Tao Sun
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Paper Abstract

Large size aspherical optic surfaces have gained significant importance and indispensability because of their desirable properties, and the fast growing demand needs urgently efficient and economical fabrication methods. A precision diamond turning machine with rotating tool feed and fast tool servo systems special for turning large asphercial mirrors is introduced, and a method to determine the best-fit sphere for this diamond turning method is also presented. A precise in-site measurement of the processing optical mirror is planned to construct on this machine tool in order to enhance the precision and efficiency, and reduce the production cost. The lateral shearing interferometer is known for being made small and having almost common-path beams that makes insensitive to mechanical vibrations and air turbulence, so it can be very suitable for measurement on the spot.

Paper Details

Date Published: 13 October 2010
PDF: 5 pages
Proc. SPIE 7654, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 76540D (13 October 2010); doi: 10.1117/12.866843
Show Author Affiliations
Cheng-Shun Han, Harbin Institute of Technology (China)
Long-Jiang Zhang, Harbin Institute of Technology (China)
Yong Ren, Harbin Institute of Technology (China)
Tao Sun, Harbin Institute of Technology (China)


Published in SPIE Proceedings Vol. 7654:
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes
Wenhan Jiang; Myung K. Cho; Fan Wu, Editor(s)

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