Design and characterization of the damage induced by irradiation in optical coatings for space applications

Giovanni Santi; Giulio Favaro; Alain J. Corso; Dominic Doyle; Maria G. Pelizzo

doi:10.1117/12.2594510

24 August 2021 Design and characterization of the damage induced by irradiation in optical coatings for space applications

Giovanni Santi, Giulio Favaro, Alain J. Corso, Dominic Doyle, Maria G. Pelizzo

Author Affiliations +

Proceedings Volume 11820, Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems III; 118200M (2021) https://doi.org/10.1117/12.2594510
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

A systematic characterization of dielectric coatings for space application is carried out to evaluate the performance drop upon protons exposure. Different energy levels and fluence values are tested. Also, since the irradiation experiments are performed in large scale facilities, different flux rates are tested to establish the operational parameters that better mimic the real irradiation conditions. The induced damage associated with each irradiation session is characterized for a selection of single and bi-layer coatings. Results show that the performance drop is highly dependent on the fluence and the implantation energy.

Conference Presentation

Citation Download Citation

Giovanni Santi, Giulio Favaro, Alain J. Corso, Dominic Doyle, and Maria G. Pelizzo "Design and characterization of the damage induced by irradiation in optical coatings for space applications", Proc. SPIE 11820, Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems III, 118200M (24 August 2021); https://doi.org/10.1117/12.2594510

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