Multiple determination of the optical constants of thin-film coating materials
- 15 October 1984
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 23 (20) , 3571-3596
- https://doi.org/10.1364/ao.23.003571
Abstract
The seven participating laboratories received films of two different thicknesses of Sc2O3 and Rh. All samples of each material were prepared in a single deposition run. Brief descriptions are given of the various methods used for determination of the optical constants of these coating materials. The measurement data are presented, and the results are compared. The mean of the variances of the Sc2O3 refractive-index determinations in the 0.40–0.75-nm spectral region was 0.03. The corresponding variances for the refractive index and absorption coefficient of Rh were 0.35 and 0.26, respectively.Keywords
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