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Proceedings Paper

Ultra-lightweighted HB-Cesic one-meter mirror demonstrator
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Paper Abstract

Future space missions, such as SPICA and DARWIN, require large, light-weighted, and stiff mirrors with excellent stability. During the past years, ECM fabricated a number of light-weighted mirrors. However, future large missions require further advances with light-weighting, pushing this technology to the limit possible with recently developed composite materials, new fabrication processes, and innovative designs. In 2009, ECM took steps in this direction by fabricating successfully an ultra-lightweighted HB-Cesic® mirror demonstrator 1 m in size. We demonstrated that HB-Cesic®, due to its extreme light-weighting capability and manufacturing versatility, combined with high stiffness, high mechanical strength, and low CTE at cryogenic temperatures, is able to fully meet the requirements of future large cryogenic space mirrors. In this paper we describe the fabrication process of this demonstrator and its physical characteristics.

Paper Details

Date Published: 23 July 2010
PDF: 8 pages
Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 77392K (23 July 2010); doi: 10.1117/12.856251
Show Author Affiliations
Matthias R. Krödel, ECM Ingenieur-Unternehmen für Energie- und Umwelttechnik GmbH (Germany)
Peter Hofbauer, ECM Ingenieur-Unternehmen für Energie- und Umwelttechnik GmbH (Germany)


Published in SPIE Proceedings Vol. 7739:
Modern Technologies in Space- and Ground-based Telescopes and Instrumentation
Eli Atad-Ettedgui; Dietrich Lemke, Editor(s)

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