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Proceedings Paper

Contactless laser viscometer for flowing liquid films
Author(s): Alexandre F. Michels; Thiago Menegotto; Hans-Peter Grieneisen; Flavio Horowitz
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Paper Abstract

This work briefly reviews recent progress in interferometric monitoring of spin and of dip coating, from a unified point of view, and its application for contactless viscometry of liquid films. Considering the associated models and measurement uncertainties, the method was validated for both coating processes with oil standards of known viscosities and constant refractive indices. Limitations and perspectives for application of the laser viscometer to liquid films with a varying refractive index are also discussed.

Paper Details

Date Published: 9 December 2005
PDF: 8 pages
Proc. SPIE 6024, ICO20: Optical Devices and Instruments, 60240H (9 December 2005); doi: 10.1117/12.666823
Show Author Affiliations
Alexandre F. Michels, Univ. Federal do Rio Grande do Sul (Brazil)
Thiago Menegotto, Univ. Federal do Rio Grande do Sul (Brazil)
Hans-Peter Grieneisen, Univ. Federal do Rio Grande do Sul (Brazil)
Flavio Horowitz, Univ. Federal do Rio Grande do Sul (Brazil)

Published in SPIE Proceedings Vol. 6024:
ICO20: Optical Devices and Instruments
James C. Wyant; X. J. Zhang, Editor(s)

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