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Proceedings Paper

Monitoring drying process of acrylic varnish with heterogeneous optical sensor
Author(s): Fernando A. M. Saccon; Fernanda M. D. R. de Oliveira; Marcia Muller; José L. Fabris
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Paper Abstract

This work shows the application of a heterogeneous sensor system based on fiber Bragg gratings and optical coherence tomography to monitor the drying process of a commercial water-based acrylic varnish. The varnish mechanical deformation, thickness, and average refractive index developed in the process were monitored along 24 hours for a film with approximately 430 μm of initial thickness, allowing identification of distinct time behaviors. Tomographic images exhibited refractive index discontinuities along the total film thickness indicating the development not uniform and concurrent through the whole material volume of the processes involved in the drying kinetics.

Paper Details

Date Published: 17 October 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84212I (17 October 2012); doi: 10.1117/12.963737
Show Author Affiliations
Fernando A. M. Saccon, Federal Univ. of Technology, Paraná (Brazil)
Fernanda M. D. R. de Oliveira, Federal Univ. of Technology, Paraná (Brazil)
Marcia Muller, Federal Univ. of Technology, Paraná (Brazil)
José L. Fabris, Federal Univ. of Technology, Paraná (Brazil)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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