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Proceedings Paper

Modeling scatter in composite media
Author(s): Eric C. Fest
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Paper Abstract

A theoretical model of optical scattering in materials consisting of densely packed spherical particles is developed that can be used to predict its optical properties given its physical characteristics. The inputs to this model are the waveband of interest, the complex refractive indices and particle size distribution of the materials that comprise the media (including any contaminants), the density and sizes of any contaminants in the media, and the dimensions of the media slab. The outputs of this model are the specular transmittance and emissivity vs. wavelength of the media, and it's Bidirectional Scattering Distribution Function (BSDF) vs. scatter angle vs. wavelength. The results of this model are compared to measured transmittance and BSDF data from optical ceramics comprised of densified nanopowders (nanocomposite optical ceramics).

Paper Details

Date Published: 29 August 2008
PDF: 12 pages
Proc. SPIE 7065, Reflection, Scattering, and Diffraction from Surfaces, 70650B (29 August 2008); doi: 10.1117/12.792572
Show Author Affiliations
Eric C. Fest, Raytheon Missile Systems (United States)

Published in SPIE Proceedings Vol. 7065:
Reflection, Scattering, and Diffraction from Surfaces
Zu-Han Gu; Leonard M. Hanssen, Editor(s)

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