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Optical characterisation of silver mirrors protected with transparent overcoats
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Paper 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.

Paper Details

Date Published: 5 June 2018
PDF: 6 pages
Proc. SPIE 10691, Advances in Optical Thin Films VI, 106910N (5 June 2018); doi: 10.1117/12.2312077
Show Author Affiliations
A. Sytchkova, ENEA (Italy)
S. Schwinde, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
M. L. Protopapa, ENEA (Italy)
M. Palmisano, ENEA (Italy)
A. Piegari, ENEA (Italy)
M. Schürmann, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
N. Kaiser, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)

Published in SPIE Proceedings Vol. 10691:
Advances in Optical Thin Films VI
Michel Lequime; H. Angus Macleod; Detlev Ristau, Editor(s)

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