Statistics – Applications
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spie.7425e..14k&link_type=abstract
Optical Materials and Structures Technologies IV. Edited by Robichaud, Joseph L.; Goodman, William A.. Proceedings of the SPIE,
Statistics
Applications
Scientific paper
SPIRALE is a French Earth observation demonstration project consisting of two satellites. In support of the project and under contract with Thales Alenia Space, ECM manufactured two fully integrated all-Cesic® telescopes, composed of super-light-weighted complex monolithic structures, including two off-axis aspheric mirrors per telescope with integrated interfaces for mounting. The all-Cesic telescope assembly was tested under shock and vibration loads, and by exposure to realistic in-flight thermal environments. In this paper we describe the space-qualified process of manufacturing such high-precision space telescopes based on our Cesic® technology; the advantages of our Cesic® technology compared to traditional materials, such as metals or glass ceramics; and some of the test results. This project demonstrates that all-Cesic® telescopes have great potential for future space applications, especially under cryogenic conditions, due to their athermal characteristics and the great versatility of the Cesic® manufacturing process.
Devilliers Christophe
Krodel Matthias R.
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