Optical interferometric applications to fluid viscometry

Alexandre F. Michels; Flavio Horowitz

doi:10.1117/12.437245

14 August 2001 Optical interferometric applications to fluid viscometry

Alexandre F. Michels, Flavio Horowitz

Proceedings Volume 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications; (2001) https://doi.org/10.1117/12.437245
Event: IV Iberoamerican Meeting of Optics and the VII Latin American Meeting of Optics, Lasers and Their Applications, 2001, Tandil, Argentina

Abstract

Optical interferometric monitoring during spin coating of fluid coatings has allowed close observation of their temporal evolution. When the fluids are non-volatile, kinematic viscosity data can be determined using a simple analytical model. Validity of the method was tested with a standard nominal kinematic viscosity v equals 37 +/- 1 cS for which the optospinography method, combined with Abbe refractometry, provided v equals 36.1 +/- 0.1 vS. This is an indication that we now have available an absolute, contactless optical viscometry method for thin fluid films in small samples.

Citation Download Citation

Alexandre F. Michels and Flavio Horowitz "Optical interferometric applications to fluid viscometry", Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, (14 August 2001); https://doi.org/10.1117/12.437245

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