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Proceedings Paper

FTIR specular reflectance of coatings containing metallic flakes
Author(s): Michael Claybourn
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Paper Abstract

FTIR reflectance measurements on coatings containing metallic flakes with diameter of the order of the wavelength of light, show a combination of reflectance-absorbance (R-A) and specular reflectance spectra. These effects are not superimposed and in fact occur in distinct regions of the spectrum. For a given flake size, light will be reflected when the wavelength of the incident light is much shorter than the flake diameter and for other cases will be diffracted. For the diffraction case only the specularly reflected light will be collected and for the reflection case the dominant spectrum will be due to the R-A.

Paper Details

Date Published: 31 January 1994
PDF: 2 pages
Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); doi: 10.1117/12.166717
Show Author Affiliations
Michael Claybourn, ICI Paints (United Kingdom)

Published in SPIE Proceedings Vol. 2089:
9th International Conference on Fourier Transform Spectroscopy
John E. Bertie; Hal Wieser, Editor(s)

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