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Capillary-based optical fiber sensor for turbidity measurement

Abstract: This work introduces an innovative capillary or hollow core-based sensor designed to measure turbidity by using the reflection of light in its cladding. The structure consists of two different capillary sections and has been optimized to maximise the interaction of light with the external liquid. Experimentation includes data collection from different turbidity levels using the reflected spectrum. To improve the measuring results, machine learning is implemented, exploring the effectiveness of various algorithms and neural network architectures to achieve a good root mean square error.

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Congress: International Conference on Optical Fiber Sensors: OFS (29ª : 2025 : Oporto, Portugal)

Publisher: SPIE Society of Photo-Optical Instrumentation Engineers

Publication date: 22/05/2025

No. of pages: 4

Publication type: Conference object

DOI: 10.1117/12.3054299

ISSN: 0277-786X,1996-756X

Spanish project: PID2022-137269OB

Publication Url: https://doi.org/10.1117/12.3054299

UCrea Repository Read publication

Authorship

VANEGAS TENEZACA, EVELYN

GALARZA GALARZA, MARKO

DAULAIT, ROMAIN

JAMIER, RAPHAEL

ROY, PHILIPPE

ADOLFO COBO GARCIA

MANUEL LOPEZ-AMO SAINZ

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