From Event: SPIE Optical Engineering + Applications, 2017
Future space missions will operate in very harsh and extreme environments. Optical and electronics components need to be optimized and qualified in view of such operational challenges. This work focuses on the effect of low alpha particles irradiation on coatings. Low energy He+ (4 keV and 16 keV) ions have been considered in order to simulate in laboratory the irradiation of solar wind (slow and fast components) alpha particles. Mono- and proper bi-layers coatings have been investigated. The experimental tests have been carried out changing doses as well as fluxes during the irradiation sessions. Optical characterization in the UV-VIS spectral range and superficial morphological analysis have performed prior and after irradiation.
Enrico Tessarolo, Alain Jody Corso, Roman Böttger, Alessandro Martucci, and Maria G. Pelizzo, "Ions irradiation on bi-layer coatings," Proc. SPIE 10401, Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems, 104010A (Presented at SPIE Optical Engineering + Applications: August 08, 2017; Published: 5 September 2017); https://doi.org/10.1117/12.2274795.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon