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Investigation of the surface micro-roughness of fluoride films by spectroscopic ellipsometry

 
: Tikhonravov, A.V.; Trubetskov, M.K.; Krasilnikova, A.V.; Masetti, E.; Duparre, A.; Quesnel, E.; Ristau, D.

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Thin solid films 397 (2001), pp.229-237
ISSN: 0040-6090
English
Journal Article
Fraunhofer IOF ()
ellipsometry; surface roughness; inhomogeneity; Fluoride

Abstract
Spectroscopic ellipsometry is a sensitive and reliable diagnostic tool for the optical properties of thin films and multi-layer coatings. In this paper we have derived new formulas permitting qualitative and quantitative analysis of the surface micro-roughness in the case where the refractive index of the film is close to that of the substrate. Theoretical results are applied to the developing of experimental data for lanthanum fluoride and magnesium fluoride thin films.

: http://publica.fraunhofer.de/documents/N-8686.html