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Proceedings Paper

Simulation of diffuse reflectance for characterisation of particle suspensions
Author(s): Kelly Thomson; Daria Stoliarskaia; Sarra Tiernan-Vandermotten; Leo Lue; Yi-Chieh Chen
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Paper Abstract

We employ a physical theory to construct a computational model that accounts for both multiple scattering and absorption of light. The approach does not require a calibration model. Mie theory to describe single particle scattering, which is combined with the diffuse approximation to the radiative transfer equation to provides an analytical prediction of the reflectance. This approach is applied to experimental reflectance measurements on polystyrene particle suspensions with a wide range of particle radii and volume fractions. The method provides good estimates of the suspension properties from a full NIR-vis-UV spectrum.

Paper Details

Date Published: 17 February 2017
PDF: 6 pages
Proc. SPIE 10072, Optical Diagnostics and Sensing XVII: Toward Point-of-Care Diagnostics, 100720X (17 February 2017); doi: 10.1117/12.2252502
Show Author Affiliations
Kelly Thomson, Univ. of Strathclyde (United Kingdom)
Daria Stoliarskaia, Univ. of Strathclyde (United Kingdom)
Sarra Tiernan-Vandermotten, Univ. of Strathclyde (United Kingdom)
Leo Lue, Univ. of Strathclyde (United Kingdom)
Yi-Chieh Chen, Univ. of Strathclyde (United Kingdom)

Published in SPIE Proceedings Vol. 10072:
Optical Diagnostics and Sensing XVII: Toward Point-of-Care Diagnostics
Gerard L. Coté, Editor(s)

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