Short carbon-fiber-reinforced ceramic -- Cesic -- for optomechanical applications

Matthias Kroedel; G. S. Kutter; Michael Deyerler; Norbert Manfred Pailer

doi:10.1117/12.482164

9 September 2002 Short carbon-fiber-reinforced ceramic -- Cesic -- for optomechanical applications

Matthias Kroedel, G. S. Kutter, Michael Deyerler, Norbert Manfred Pailer

Proceedings Volume 4771, Optomechanical Design and Engineering 2002; (2002) https://doi.org/10.1117/12.482164
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Ceramic mirrors and complex structures are becoming more important for high precision lightweighted optomechanical applications. Carbon-fiber reinforced silicon carbon (C/SiC) is a composite ceramic material consisting of SiC as its major constituent. Developments over the past 10 years by IABG, ECM, and Astrium GmbH have demonstrated the feasibility and versatility of this ceramic material for different applications. The most favourable characteristics of the material are high stiffness, high thermal conductivity and low thermal expansion (CTE). Furthermore, Cesic -- a trademark of ECM for C/SiC -- allows relatively quick and cheap manufacturing of components because the components can be shaped with conventional tools in a milling and/or drilling process of the greenbody material. Through a joining process and our new development of optical surfaces based on a slurry cladding technology, CesicR allows for a direct up-scaling of structures and optical surfaces to large size applications and systems. The size of the structures and mirrors that can be manufactured is limited only by the scale of the available production facilities, the largest of which currently is 2.4 m in diameter.

Citation Download Citation

Matthias Kroedel, G. S. Kutter, Michael Deyerler, and Norbert Manfred Pailer "Short carbon-fiber-reinforced ceramic -- Cesic -- for optomechanical applications", Proc. SPIE 4771, Optomechanical Design and Engineering 2002, (9 September 2002); https://doi.org/10.1117/12.482164

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