Low CTE glass, SiC & Beryllium for lightweight mirror substrates

Roland Geyl; Marc Cayrel

doi:10.1117/12.627667

20 October 2005 Low CTE glass, SiC & Beryllium for lightweight mirror substrates

Roland Geyl, Marc Cayrel

Proceedings Volume 5965, Optical Fabrication, Testing, and Metrology II; 59651F (2005) https://doi.org/10.1117/12.627667
Event: Optical Systems Design 2005, 2005, Jena, Germany

Abstract

This paper is intended to analyze the relative merits of low CTE glass, SiC and Beryllium as candidates for lightweight mirror substrates in connection with real practical experience and example or three major projects using these three materials and running presently at SAGEM-REOSC. Beryllium and SiC have nice thermal and mechanical properties but machined glass ceramic can still well compete technically or economically in some cases.

Citation Download Citation

Roland Geyl and Marc Cayrel "Low CTE glass, SiC & Beryllium for lightweight mirror substrates", Proc. SPIE 5965, Optical Fabrication, Testing, and Metrology II, 59651F (20 October 2005); https://doi.org/10.1117/12.627667

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