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Proceedings Paper

Results of sediment motion visualization by a modified LASCA technique
Author(s): Dan Chicea
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Paper Abstract

A modified version of the Laser Speckle Contrast Analysis technique was developed. It is different of the typical LASCA technique as the laser beam is not reflected by the object but transmitted through a cuvette containing a diluted suspension. A digital image with speckles is taken and the time contrast not the space contrast is calculated, which is the second main difference from the typical LASCA technique. The contrast is converted into colors and a contrast image, hence a velocity map is obtained. The results of analyzing different biological suspensions with this technique are presented and the possibility of using it for micrometric particle motion and as a fast diagnosis method is discussed.

Paper Details

Date Published: 1 August 2007
PDF: 7 pages
Proc. SPIE 6785, ROMOPTO 2006: Eighth Conference on Optics, 67851O (1 August 2007); doi: 10.1117/12.757883
Show Author Affiliations
Dan Chicea, Univ. Lucian Blaga (Romania)

Published in SPIE Proceedings Vol. 6785:
ROMOPTO 2006: Eighth Conference on Optics
Valentin I. Vlad, Editor(s)

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