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Proceedings Paper

Optical testing of surface properties of polymer film: A. Testing the surface energy
Author(s): A. A. Galkin; V. I. Kravchenko; V. A. Sokolov
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Paper Abstract

Method of industrial testing is proposed, in which the surface energy is evaluated whether it is less of a specified value. Evaluation is accomplished by measuring the contact angle of wetting. Method of measurement is based on the analysis of one-dimensional intensity distribution of laser radiation in the edge diffraction pattern. To increase the rate of digital processing have been derived explicit expressions that relate intensity with the parameters of the shape of wetting liquid in the vicinity of three-phase line.

Paper Details

Date Published: 16 February 2005
PDF: 9 pages
Proc. SPIE 5447, Lasers for Measurements and Information Transfer 2004, 54470L (16 February 2005); doi: 10.1117/12.610514
Show Author Affiliations
A. A. Galkin, BIELT Ltd. (Ukraine)
V. I. Kravchenko, BIELT Ltd. (Ukraine)
V. A. Sokolov, BIELT Ltd. (Ukraine)


Published in SPIE Proceedings Vol. 5447:
Lasers for Measurements and Information Transfer 2004

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