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Proceedings Paper

Comparison of SiC mirror approaches
Author(s): Keith Carrigan; Michael Riso; Shayna Khatri; Christopher Douglas
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Paper Abstract

Silicon Carbide (SiC) mirrors hold many advantages over traditional optical materials and are increasingly common in optical systems. The wide range of optical applications necessitates different approaches to the manufacturing and finishing of SiC mirrors. Three key advancements have led to this differentiation: 1) manufacturing of CVD clad SiC mirrors in near cost and schedule parity with Zerodur, 2) super-polish of amorphous Silicon claddings, 3) low-roughness polishing results of bare reaction-bonded SiC aspheres. Three approaches which utilize these advancements will be discussed, each with its own strengths and weaknesses for specific applications. The relative schedules and performance of these approaches will also be compared, with Zerodur used as a reference.

Paper Details

Date Published: 30 September 2013
PDF: 13 pages
Proc. SPIE 8837, Material Technologies and Applications to Optics, Structures, Components, and Sub-Systems, 88370E (30 September 2013); doi: 10.1117/12.2023424
Show Author Affiliations
Keith Carrigan, L-3 Communications IOS-SSG (United States)
Michael Riso, L-3 Communications IOS-SSG (United States)
Shayna Khatri, L-3 Communications IOS-SSG (United States)
Christopher Douglas, L-3 Communications IOS-SSG (United States)


Published in SPIE Proceedings Vol. 8837:
Material Technologies and Applications to Optics, Structures, Components, and Sub-Systems
Joseph L. Robichaud; Matthias Krödel; William A. Goodman, Editor(s)

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