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Proceedings Paper

He+ ions damage on optical coatings for solar missions
Author(s): D. Bacco; A. J. Corso; P. Zuppella; F. Gerlin; R. Böttger; E. Napolitani; E. Tessarolo; M. Nardello; S. Zuccon; M. G. Pelizzo
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Paper Abstract

Single layer thin films have been exposed to low energy alpha particles (4keV). Implanted doses are equivalent to those accumulated in 1, 2, 4 and 6 years of ESA Solar Orbiter mission operation. Two ions fluences have been considered. In order to change the total dose accumulated, for each ion flux the time of exposure was varied. Reflectance in the visible spectral range has been measured prior and after implantation. Results show no significant change in performances in gold and palladium, while a small decrease in performances is observed in iridium. The implantation rate does not seem to affect the experiment.

Paper Details

Date Published: 12 May 2015
PDF: 6 pages
Proc. SPIE 9510, EUV and X-ray Optics: Synergy between Laboratory and Space IV, 95100B (12 May 2015); doi: 10.1117/12.2178496
Show Author Affiliations
D. Bacco, Institute for Photonics and Nanotechnology, CNR (Italy)
A. J. Corso, Institute for Photonics and Nanotechnology, CNR (Italy)
P. Zuppella, Institute for Photonics and Nanotechnology, CNR (Italy)
F. Gerlin, Institute for Photonics and Nanotechnology, CNR (Italy)
R. Böttger, Helmholtz-Zentrum Dresden-Rossendorf (Germany)
E. Napolitani, IMM-CNR (Italy)
Univ. of Padua (Italy)
E. Tessarolo, Institute for Photonics and Nanotechnology, CNR (Italy)
M. Nardello, Institute for Photonics and Nanotechnology, CNR (Italy)
Univ. of Padua (Italy)
S. Zuccon, Institute for Photonics and Nanotechnology, CNR (Italy)
M. G. Pelizzo, Institute for Photonics and Nanotechnology, CNR (Italy)
Univ. of Padua (Italy)


Published in SPIE Proceedings Vol. 9510:
EUV and X-ray Optics: Synergy between Laboratory and Space IV
René Hudec; Ladislav Pina, Editor(s)

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