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Proceedings Paper

How accurate is the Kubelka-Munk theory of diffuse reflection? A quantitative answer
Author(s): Richard I. Joseph; Michael E. Thomas
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Paper Abstract

The (heuristic) Kubelka-Munk theory of diffuse reflectance and transmittance of a film on a substrate, which is widely used because it gives simple analytic results, is compared to the rigorous radiative transfer model of Chandrasekhar. The rigorous model has to be numerically solved, thus is less intuitive. The Kubelka-Munk theory uses an absorption coefficient and scatter coefficient as inputs, similar to the rigorous model of Chandrasekhar. The relationship between these two sets of coefficients is addressed. It is shown that the Kubelka-Munk theory is remarkably accurate if one uses the proper albedo parameter.

Paper Details

Date Published: 15 October 2012
PDF: 9 pages
Proc. SPIE 8495, Reflection, Scattering, and Diffraction from Surfaces III, 84950I (15 October 2012); doi: 10.1117/12.929948
Show Author Affiliations
Richard I. Joseph, Johns Hopkins Univ. Applied Physics Lab. (United States)
Michael E. Thomas, Johns Hopkins Univ. Applied Physics Lab. (United States)

Published in SPIE Proceedings Vol. 8495:
Reflection, Scattering, and Diffraction from Surfaces III
Leonard M. Hanssen, Editor(s)

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