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Proceedings Paper

Development of sintered-SiC and C/SiC mirrors for cryogenic telescope
Author(s): Giuseppe Mondello; Andrea Novi; Christophe Devilliers
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Paper Abstract

Mirror prototypes in cold-pressed sintered SiC-54 and in Carbon-SiC (Cesic) have been designed, manufactured and optically tested. The scope of the work was the development of materials, technologies and manufacturing processes to get high quality optics very stable at cryotemperatures. The activity has been performed under ESA funding in the frame of the technology development for the JWST/NIRSpec program. A description of the polishing performance and final testing results are discussed.

Paper Details

Date Published: 24 September 2004
PDF: 8 pages
Proc. SPIE 5494, Optical Fabrication, Metrology, and Material Advancements for Telescopes, (24 September 2004); doi: 10.1117/12.550765
Show Author Affiliations
Giuseppe Mondello, Galileo Avionica (Italy)
Andrea Novi, Galileo Avionica (Italy)
Christophe Devilliers, Alcatel Space (France)


Published in SPIE Proceedings Vol. 5494:
Optical Fabrication, Metrology, and Material Advancements for Telescopes
Eli Atad-Ettedgui; Philippe Dierickx, Editor(s)

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