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Proceedings Paper

Far-Infrared Dielectric Properties Of Adsorbed Water In A Cellulose-Air Matrix
Author(s): Pierre Bernard; Pierre-Andre Belanger; Russel Boulay; Bernard Drouin; Richard Gagnon
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Paper Abstract

A standard three components mixture model for the dielectric constant is compared to the measured transmittance and reflectance of FIR radiation through a wet cellulose matrix. This model reproduces, at least qualitatively, the peculiar behaviour of the reflectance versus water content curve. However, the absorption coefficient for water content above 5% can only be reproduced if we postulate that the water adsorbed between 5% and 10% in volume possesses an anomalously high absorption coefficient. This is interpreted in terms of the flickering clusters model for water and the structure breaking role of the cellulose surface.

Paper Details

Date Published: 26 September 1986
PDF: 7 pages
Proc. SPIE 0666, Far-Infrared Science and Technology, (26 September 1986); doi: 10.1117/12.938836
Show Author Affiliations
Pierre Bernard, Universite d' Ottawa (Canada)
Pierre-Andre Belanger, Universite d'Ottawa (Canada)
Russel Boulay, Universite d'Ottawa (Canada)
Bernard Drouin, Universite d'Ottawa (Canada)
Richard Gagnon, Laval University (Canada)


Published in SPIE Proceedings Vol. 0666:
Far-Infrared Science and Technology
Jerald A. R. Izatt, Editor(s)

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