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Liquid level measurement based on multi-S-bend plastic optical fiber

Liquid level measurement based on multi-S-bend plastic optical fiber PurposeThis paper aims to propose a liquid level sensor with a multi-S-bend plastic optical fiber.Design/methodology/approachThe principle of liquid sensing used is based on the leakage of higher modes out of the fiber and repeated regeneration in the following bend sections. Therefore, a propagation loss was introduced in every bend section of the fiber with the loss depending on the refractive index of the environment.FindingsTherefore, a continue shift in the liquid level can be detected by observing changes in the propagation loss of the fiber. The sensor features compactness and a flexible resolution.Originality/valueCompared with the exited ones, the sensor has capability of continue liquid measurement and a greater measurement range. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Sensor Review Emerald Publishing

Liquid level measurement based on multi-S-bend plastic optical fiber

Sensor Review , Volume 39 (4): 3 – Jul 15, 2019

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0260-2288
DOI
10.1108/SR-08-2018-0199
Publisher site
See Article on Publisher Site

Abstract

PurposeThis paper aims to propose a liquid level sensor with a multi-S-bend plastic optical fiber.Design/methodology/approachThe principle of liquid sensing used is based on the leakage of higher modes out of the fiber and repeated regeneration in the following bend sections. Therefore, a propagation loss was introduced in every bend section of the fiber with the loss depending on the refractive index of the environment.FindingsTherefore, a continue shift in the liquid level can be detected by observing changes in the propagation loss of the fiber. The sensor features compactness and a flexible resolution.Originality/valueCompared with the exited ones, the sensor has capability of continue liquid measurement and a greater measurement range.

Journal

Sensor ReviewEmerald Publishing

Published: Jul 15, 2019

References

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