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Future solar missions will investigate the Sun from very close distances and optical components are constantly exposed to low energy ions irradiation. Single layer thin films as well as extreme ultraviolet multilayer coatings have been exposed to low energy alpha particles (4keV). In order to change the total dose accumulated, for each ion fluency the time of exposure was varied. The experiment was carried out considering typical doses accumulated during the ESA Solar Orbiter mission. Results show that ion implantation affects the performances of both single and multilayer coatings.
International Society for Optics and Photonics
Publication date: 
5 Sep 2014

MG Pelizzo, S Zuccon, E Napolitani, AJ Corso, P Zuppella, E Tessarolo, M Nardello, F Gerlin, G Naletto, S Fineschi, E Antonucci

Biblio References: 
Volume: 9207 Pages: 920715
Advances in X-Ray/EUV Optics and Components IX