Design of a Sensor Based on Plastic Optical Fibre (POF) to Measure Fluid Flow and Turbidity

Although many optical fibre applications are based on their capacity to transmit optical signals with low losses, it can also be desirable for the optical fibre to be strongly affected by a certain physical parameter in the environment. In this way, it can be used as a sensor for this parameter. The...

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Main Authors: Joseba Zubia, Pedro Aiestaran, Jon Arrue
Format: Article
Language:English
Published: MDPI AG 2009-05-01
Series:Sensors
Subjects:
Online Access:http://www.mdpi.com/1424-8220/9/5/3790/
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author Joseba Zubia
Pedro Aiestaran
Jon Arrue
author_facet Joseba Zubia
Pedro Aiestaran
Jon Arrue
author_sort Joseba Zubia
collection DOAJ
description Although many optical fibre applications are based on their capacity to transmit optical signals with low losses, it can also be desirable for the optical fibre to be strongly affected by a certain physical parameter in the environment. In this way, it can be used as a sensor for this parameter. There are many strong arguments for the use of POFs as sensors. In addition to being easy to handle and low cost, they demonstrate advantages common to all multimode optical fibres. These specifically include flexibility, small size, good electromagnetic compatibility behaviour, and in general, the possibility of measuring any phenomenon without physically interacting with it. In this paper, a sensor based on POF is designed and analysed with the aim of measuring the volume and turbidity of a low viscosity fluid, in this case water, as it passes through a pipe. A comparative study with a commercial sensor is provided to validate the proven flow measurement. Likewise, turbidity is measured using different colour dyes. Finally, this paper will present the most significant results and conclusions from all the tests which are carried out.
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spelling doaj.art-5c9b4a30bb3145d7849fd770496b88092022-12-22T02:53:52ZengMDPI AGSensors1424-82202009-05-01953790380010.3390/s90503790Design of a Sensor Based on Plastic Optical Fibre (POF) to Measure Fluid Flow and TurbidityJoseba ZubiaPedro AiestaranJon ArrueAlthough many optical fibre applications are based on their capacity to transmit optical signals with low losses, it can also be desirable for the optical fibre to be strongly affected by a certain physical parameter in the environment. In this way, it can be used as a sensor for this parameter. There are many strong arguments for the use of POFs as sensors. In addition to being easy to handle and low cost, they demonstrate advantages common to all multimode optical fibres. These specifically include flexibility, small size, good electromagnetic compatibility behaviour, and in general, the possibility of measuring any phenomenon without physically interacting with it. In this paper, a sensor based on POF is designed and analysed with the aim of measuring the volume and turbidity of a low viscosity fluid, in this case water, as it passes through a pipe. A comparative study with a commercial sensor is provided to validate the proven flow measurement. Likewise, turbidity is measured using different colour dyes. Finally, this paper will present the most significant results and conclusions from all the tests which are carried out.http://www.mdpi.com/1424-8220/9/5/3790/plastic optical fibreflow and turbidity measurement sensor
spellingShingle Joseba Zubia
Pedro Aiestaran
Jon Arrue
Design of a Sensor Based on Plastic Optical Fibre (POF) to Measure Fluid Flow and Turbidity
Sensors
plastic optical fibre
flow and turbidity measurement sensor
title Design of a Sensor Based on Plastic Optical Fibre (POF) to Measure Fluid Flow and Turbidity
title_full Design of a Sensor Based on Plastic Optical Fibre (POF) to Measure Fluid Flow and Turbidity
title_fullStr Design of a Sensor Based on Plastic Optical Fibre (POF) to Measure Fluid Flow and Turbidity
title_full_unstemmed Design of a Sensor Based on Plastic Optical Fibre (POF) to Measure Fluid Flow and Turbidity
title_short Design of a Sensor Based on Plastic Optical Fibre (POF) to Measure Fluid Flow and Turbidity
title_sort design of a sensor based on plastic optical fibre pof to measure fluid flow and turbidity
topic plastic optical fibre
flow and turbidity measurement sensor
url http://www.mdpi.com/1424-8220/9/5/3790/
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