Contactless laser viscometer for flowing liquid films

Alexandre F. Michels; Thiago Menegotto; Hans-Peter Grieneisen; Flavio Horowitz

doi:10.1117/12.666823

9 December 2005 Contactless laser viscometer for flowing liquid films

Alexandre F. Michels, Thiago Menegotto, Hans-Peter Grieneisen, Flavio Horowitz

Proceedings Volume 6024, ICO20: Optical Devices and Instruments; 60240H (2005) https://doi.org/10.1117/12.666823
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

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.

Citation Download Citation

Alexandre F. Michels, Thiago Menegotto, Hans-Peter Grieneisen, and Flavio Horowitz "Contactless laser viscometer for flowing liquid films", Proc. SPIE 6024, ICO20: Optical Devices and Instruments, 60240H (9 December 2005); https://doi.org/10.1117/12.666823

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