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Proceedings Paper

Light Scattering From Multilayer Filter Coatings
Author(s): Desmond R. Gibson; Paul H. Lissberger
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Paper Abstract

Outlines are given of a theoretical model for predicting the spectral and spatial distributions of radiation scattered at rough interfaces of optical coatings, as well as the apparatus for measuring these distributions in terms of differential scattering coefficients (DSC). Measurements of DSC for a reflector, narrow-band spectral filters deposited at two extremes of substrate temperature and an uncoated substrate are compared with the corresponding theoretical predictions. The values of DSC integrated over all space are also compared with the predictions of the model and with values of the total integrated scatter (TIS) obtained from photometric observations of the direct transmittance and reflectance of the filter coatings.

Paper Details

Date Published: 28 November 1983
PDF: 9 pages
Proc. SPIE 0401, Thin Film Technologies I, (28 November 1983); doi: 10.1117/12.935526
Show Author Affiliations
Desmond R. Gibson, Queen's University of Belfast (Northern Ireland)
Paul H. Lissberger, Queen's University of Belfast (Northern Ireland)

Published in SPIE Proceedings Vol. 0401:
Thin Film Technologies I
J. Roland Jacobsson, Editor(s)

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