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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.
International Society for Optics and Photonics
Publication date: 
12 May 2015

D Bacco, AJ Corso, P Zuppella, F Gerlin, R Böttger, E Napolitani, E Tessarolo, M Nardello, S Zuccon, MG Pelizzo

Biblio References: 
Volume: 9510 Pages: 95100B
EUV and X-ray Optics: Synergy between Laboratory and Space IV