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Proceedings Paper

Manufacturing and testing large SiC mirrors in an efficient way
Author(s): Xuejun Zhang; Xuefeng Zeng; Haixiang Hu; Xiao Luo
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Paper Abstract

SiC mirrors are of excellent mechanical and thermal properties compared to their glass opponents. Efficient fabrication and testing of SiC mirrors, particularly the large freeform surfaces are very challenging. In this paper, direct CNC generation, deterministic polishing techniques including CCOS, MRF, and IBF were addressed in detail. Since testing is critical to make high accuracy freeform surfaces, the paper focused on Computer Generated Hologram (CGH) design and implement to measure large mirrors. In particular, detector to mirror mapping distortion was discussed in detail. Finally, some results for SiC mirrors were presented.

Paper Details

Date Published: 24 September 2015
PDF: 11 pages
Proc. SPIE 9628, Optical Systems Design 2015: Optical Fabrication, Testing, and Metrology V, 96280S (24 September 2015); doi: 10.1117/12.2189751
Show Author Affiliations
Xuejun Zhang, Changchun Institute of Optics, Fine Mechanics and Physics (China)
Xuefeng Zeng, Changchun Institute of Optics, Fine Mechanics and Physics (China)
Haixiang Hu, Changchun Institute of Optics, Fine Mechanics and Physics (China)
Univ. of Chinese Academy of Sciences (China)
Xiao Luo, Changchun Institute of Optics, Fine Mechanics and Physics (China)


Published in SPIE Proceedings Vol. 9628:
Optical Systems Design 2015: Optical Fabrication, Testing, and Metrology V
Angela Duparré; Roland Geyl, Editor(s)

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