Technology on Fabrication of Precise SiC Aspherical Mirror

Abstract:

Article Preview

This paper represents a technique to produce the large size optical aspherical mirror by using reaction-bonded silicon carbide to meet the material requirements of the space used mirrors, based on the characters comparison of all types mirror material. Techniques are described in this paper, including the bonding procedure of silicon carbide to form a mirror shape, the CCOM technology for aspheric grinding, polishing on a home-developed tool –FSGJ-2, and the aspheric profilometry. A specialized Offner Null lens is also developed to measure the aspherical mirror with laser interferometer. With the technology depicted in the paper, a 502mm x 298 mm off-axis SiC aspherical mirror is successfully made with a surface accuracy better than 1/50λrms, the final result meets the design requirement.

Info:

Periodical:

Edited by:

Prasad Yarlagadda, Yun-Hae Kim, Zhijiu Ai and Xiaodong Zhang

Pages:

396-401

DOI:

10.4028/www.scientific.net/AMR.337.396

Citation:

Z. Y. Zhang "Technology on Fabrication of Precise SiC Aspherical Mirror", Advanced Materials Research, Vol. 337, pp. 396-401, 2011

Online since:

September 2011

Authors:

Export:

Price:

$35.00

In order to see related information, you need to Login.

In order to see related information, you need to Login.