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Proceedings Paper

Applying of the optical time-of-flight spectroscopy for the paper and pulp characterization
Author(s): Jerzy Pluciński
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Paper Abstract

The paper presents benefits of optical time-of-flight spectroscopy for the pulp and paper characterization. A semiconductor pulse laser and a streak camera as the photodetector were utilized in experimental part of research described in this paper. Distribution of the time of flight of photons through various kinds of wood pulp (e.g. pulp after mechanical treatment coming both fi-om tree species giving hard and soft wood and pulp after thermo-mechanical treatment) was measured. The pulp samples used in the measurements had consistency ranging from 0 to 5% of dry mass in the suspension. The influence of additives (kaolin, talc and calcium carbonate) present in the suspension on the time of flight distribution of photons was studied as well. Finally, dependence of the time of flight of photons through various kinds of the paper (i.e. newspaper, copy paper, and tissue) on the thickness of the sample was investigated.

Paper Details

Date Published: 20 April 2006
PDF: 6 pages
Proc. SPIE 6158, Lightmetry and Light and Optics in Biomedicine 2004, 615807 (20 April 2006); doi: 10.1117/12.675762
Show Author Affiliations
Jerzy Pluciński, Gdańsk Univ. of Technology (Poland)
Univ. of Oulu (Finland)


Published in SPIE Proceedings Vol. 6158:
Lightmetry and Light and Optics in Biomedicine 2004
Katarzyna Kolacz; Jacek Sochacki, Editor(s)

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