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Optical characterisation of silver mirrors protected with transparent overcoats

TitleOptical characterisation of silver mirrors protected with transparent overcoats
Publication TypePresentazione a Congresso
Year of Publication2018
AuthorsSytchkova, A., Schwinde S., Protopapa Maria Lucia, Palmisano Martino, Piegari A., Schürmann M., and Kaiser N.
Conference NameProceedings of SPIE - The International Society for Optical Engineering
KeywordsChemical analysis, Dielectric materials, Ellipsometry, Environmental stability, Mechanical properties, Metal-dielectric interface, Mirrors, Nitrides, Optical and mechanical properties, Optical characterisation, Optical characterization, Optical coatings, Optical films, Physical chemical property, Silicon oxides, Silver mirror, Spectroscopic ellipsometry, Thin films, Variable angle spectroscopic ellipsometry
Abstract

Time durability and environmental stability of silver-coated glass mirrors improve if silver layer is protected by a transparent thin film coating. The choice of the protecting layer material and of the methods for mirror manufacturing influences the mirror optical and mechanical properties. This work reports on a systematic study of silver mirrors overcoated by silicon oxide, nitride and oxy-nitrides. Variable angle spectroscopic ellipsometry was implemented to get an insight on metal-dielectric interface of the coatings. The results have been analyzed considering the coating deposition conditions and physical-chemical properties of the dielectric materials used as protective layers. © 2018 COPYRIGHT SPIE.

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85052302569&doi=10.1117%2f12.2312077&partnerID=40&md5=5a4fac7665b12711662e9d99212a96da
DOI10.1117/12.2312077
Citation KeySytchkova2018