Multilayer coating for 30.4 nm

A multilayer coating of Mo ∕ Si is usually used for space science in the spectral range of extreme ultraviolet, especially for He-II ( 30.4 nm ) radiation, because it is highly stable under vacuum and atmosphere. The fairly high reflectivity of 15%-20% is achieved. But the space science community ne...

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Veröffentlicht in:Review of scientific instruments 2005-06, Vol.76 (6), p.066109-066109-2
Hauptverfasser: Yoshikawa, Ichiro, Murachi, Tetsunori, Takenaka, Hisataka, Ichimaru, Satoshi
Format: Artikel
Sprache:eng
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Zusammenfassung:A multilayer coating of Mo ∕ Si is usually used for space science in the spectral range of extreme ultraviolet, especially for He-II ( 30.4 nm ) radiation, because it is highly stable under vacuum and atmosphere. The fairly high reflectivity of 15%-20% is achieved. But the space science community needs a higher reflective coating at 30.4 nm for the future satellite missions. In this work, we report the design of a multilayer, consisting of a pair of Mg and SiC, and its fabrication, and result of the reflectance.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1938867