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5 January 2018 PACA2m magnetron sputtering silver coating: a solution for very big mirror dimensions
N. Valette, G. Chauveau, C. Grèzes-Besset, V. Costes, I. Savin de Larclause, K. Gasc, F. Lemarquis
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Proceedings Volume 10563, International Conference on Space Optics — ICSO 2014; 1056308 (2018) https://doi.org/10.1117/12.2304237
Event: International Conference on Space Optics — ICSO 2014, 2014, Tenerife, Canary Islands, Spain
Abstract
Today high angular resolution telescopes for space observation satellites require primary mirrors with larger and larger dimensions. For such mirrors, high-performance silver coating is required and is a key part of the component. For more than 20 years, CILAS has developed an expertise in the field of thin film optical coatings in order to answer a wide range of spectral performances and produce high quality thin film coatings. Among the various coating technologies that may answer such demand, magnetron sputtering is particularly well-suited to produce dense layers with improved mechanical performances and a high level of uniformity.
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N. Valette, G. Chauveau, C. Grèzes-Besset, V. Costes, I. Savin de Larclause, K. Gasc, and F. Lemarquis "PACA2m magnetron sputtering silver coating: a solution for very big mirror dimensions", Proc. SPIE 10563, International Conference on Space Optics — ICSO 2014, 1056308 (5 January 2018); https://doi.org/10.1117/12.2304237
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KEYWORDS
Coating
Mirrors
Silver
Sputter deposition
Humidity
Astronomical imaging
Reflectivity
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