Development of an optical fiber sensor for monitoring the flow of colloidal nanoparticles

Matheus Rodrigues; Eric Fujiwara; Marco Soares

doi:10.20396/revpibic2720191749

No. 27 (2019), Resumos

No. 27 (2019)

Development of an optical fiber sensor for monitoring the flow of colloidal nanoparticles

Resumos

Published 2019-11-30

Matheus Rodrigues⁺⁻
Eric Fujiwara⁺⁻
Marco Soares⁺⁻

Matheus Rodrigues

Universidade Estadual de Campinas

Eric Fujiwara

Universidade Estadual de Campinas

https://orcid.org/0000-0001-8169-9738

Marco Soares

Universidade Estadual de Campinas

PDF (Portuguese)

Keywords

Colloidal silica
Optical fiber sensor
Artificial neural networks

How to Cite

RODRIGUES, Matheus; FUJIWARA, Eric; SOARES, Marco. Development of an optical fiber sensor for monitoring the flow of colloidal nanoparticles. Revista dos Trabalhos de Iniciação Científica da UNICAMP, Campinas, SP, n. 27, p. 1–1, 2019. DOI: 10.20396/revpibic2720191749. Disponível em: https://econtents.sbu.unicamp.br/eventos/index.php/pibic/article/view/1749. Acesso em: 22 apr. 2026.

Abstract

An optical fiber sensor for monitoring dynamic systems of colloidal suspensions is reported. The system is comprised of a reflection-type quasi-elastic light scattering fiber probe that is placed on the assessed flow. The measurements were conducted for colloidal silica subjected to laminar flow condition, yielding 0.117 s/cm velocity sensitivity for 2.0 wt%. Furthermore, the decay rate of the scattered light intensity was correlated to the sample characteristics by artificial neural networks, providing 0.09 wt% and 0.3 cm/s errors concentration and velocity measurements, respectively.

PDF (Portuguese)

References

Leung, A. B., Suh, K. I. and Ansari, R. R. Appl. Opt. 2006, 45 2186.

Finsy, R. Adv. Colloid. Interface Sci. 1994, 52 79.

Soares, M. C. P.; et al.. 2019, Braz. J. Chem Eng. 36.

Kohavi, R. IJCAI 1995.

This work is licensed under a Creative Commons Attribution 4.0 International License.

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Development of an optical fiber sensor for monitoring the flow of colloidal nanoparticles

Keywords

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