Fiber-optic liquid level monitoring system using microstructured polymer fiber Bragg grating array sensors: performance analysis

C.A.F. Marques; A. Pospori; D. Sáez-Rodríguez; K. Nielsen; O. Bang; D.J. Webb

doi:10.1117/12.2193898

Fiber-optic liquid level monitoring system using microstructured polymer fiber Bragg grating array sensors: performance analysis

C.A.F. Marques, A. Pospori, D. Sáez-Rodríguez, K. Nielsen, O. Bang, D.J. Webb

Aston Institute of Photonic Technologies (AiPT)

Research output: Chapter in Book/Published conference output › Conference publication

Abstract

A highly sensitive liquid level monitoring system based on microstructured polymer optical fiber Bragg grating (mPOFBG) array sensors is reported for the first time. The configuration is based on five mPOFBGs inscribed in the same fiber in the 850 nm spectral region, showing the potential to interrogate liquid level by measuring the strain induced in each mPOFBG embedded in a silicone rubber (SR) diaphragm, which deforms due to hydrostatic pressure variations. The sensor exhibits a highly linear response over the sensing range, a good repeatability, and a high resolution. The sensitivity of the sensor is found to be 98 pm/cm of water, enhanced by more than a factor of 9 when compared to an equivalent sensor based on a silica fiber around 1550 nm. The temperature sensitivity is studied and a multi-sensor arrangement proposed, which has the potential to provide level readings independent of temperature and the liquid density.

Original language	English
Title of host publication	24th international conference on Optical Fibre Sensors
Place of Publication	Bellingham, WA (US)
Publisher	SPIE
Number of pages	4
ISBN (Print)	978-1-6284-1839-2
DOIs	https://doi.org/10.1117/12.2193898
Publication status	Published - 28 Sept 2015
Event	24th international conference on Optical Fibre Sensors - Curitiba, Brazil Duration: 28 Sept 2015 → 2 Oct 2015

Publication series

Name	SPIE proceedings
Publisher	SPIE
Volume	9634
ISSN (Print)	0277-786X

Conference

Conference	24th international conference on Optical Fibre Sensors
Abbreviated title	OFS 2015
Country/Territory	Brazil
City	Curitiba
Period	28/09/15 → 2/10/15

Bibliographical note

C. A. F. Marques ; A. Pospori ; D. Sáez-Rodríguez ; K. Nielsen ; O. Bang and D. J. Webb, "Fiber optic liquid level monitoring system using microstructured polymer fiber Bragg grating array sensors: performance analysis", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96345V (September 28, 2015).

Copyright 2015 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

DOI: http://dx.doi.org/10.1117/12.2193898

Funding: Marie Curie Intra European Fellowships included in the 7th Framework Program of the European Union (projects PIEF-GA-2013-628604 and PIEF-GA-2011-302919); People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme FP7/2007-2013/ under REA grant agreement No. 608382.

Keywords

biber Bragg gratings
high sensitivity
liquid level monitoring systems
polymer optical fiber sensors

Access to Document

10.1117/12.2193898

Fiber-optic liquid level monitoring system
C. A. F. Marques ; A. Pospori ; D. Sáez-Rodríguez ; K. Nielsen ; O. Bang and D. J. Webb, "Fiber optic liquid level monitoring system using microstructured polymer fiber Bragg grating array sensors: performance analysis", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96345V (September 28, 2015). Copyright 2015 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. DOI: http://dx.doi.org/10.1117/12.2193898
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http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=2442082

Cite this

Marques, C. A. F., Pospori, A., Sáez-Rodríguez, D., Nielsen, K., Bang, O., & Webb, D. J. (2015). Fiber-optic liquid level monitoring system using microstructured polymer fiber Bragg grating array sensors: performance analysis. In 24th international conference on Optical Fibre Sensors Article 96345V (SPIE proceedings; Vol. 9634). SPIE. https://doi.org/10.1117/12.2193898

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abstract = "A highly sensitive liquid level monitoring system based on microstructured polymer optical fiber Bragg grating (mPOFBG) array sensors is reported for the first time. The configuration is based on five mPOFBGs inscribed in the same fiber in the 850 nm spectral region, showing the potential to interrogate liquid level by measuring the strain induced in each mPOFBG embedded in a silicone rubber (SR) diaphragm, which deforms due to hydrostatic pressure variations. The sensor exhibits a highly linear response over the sensing range, a good repeatability, and a high resolution. The sensitivity of the sensor is found to be 98 pm/cm of water, enhanced by more than a factor of 9 when compared to an equivalent sensor based on a silica fiber around 1550 nm. The temperature sensitivity is studied and a multi-sensor arrangement proposed, which has the potential to provide level readings independent of temperature and the liquid density.",

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author = "C.A.F. Marques and A. Pospori and D. S{\'a}ez-Rodr{\'i}guez and K. Nielsen and O. Bang and D.J. Webb",

note = "C. A. F. Marques ; A. Pospori ; D. S{\'a}ez-Rodr{\'i}guez ; K. Nielsen ; O. Bang and D. J. Webb, {"}Fiber optic liquid level monitoring system using microstructured polymer fiber Bragg grating array sensors: performance analysis{"}, Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96345V (September 28, 2015). Copyright 2015 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. DOI: http://dx.doi.org/10.1117/12.2193898 Funding: Marie Curie Intra European Fellowships included in the 7th Framework Program of the European Union (projects PIEF-GA-2013-628604 and PIEF-GA-2011-302919); People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme FP7/2007-2013/ under REA grant agreement No. 608382.; 24th international conference on Optical Fibre Sensors, OFS 2015 ; Conference date: 28-09-2015 Through 02-10-2015",

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Marques, CAF, Pospori, A, Sáez-Rodríguez, D, Nielsen, K, Bang, O & Webb, DJ 2015, Fiber-optic liquid level monitoring system using microstructured polymer fiber Bragg grating array sensors: performance analysis. in 24th international conference on Optical Fibre Sensors., 96345V, SPIE proceedings, vol. 9634, SPIE, Bellingham, WA (US), 24th international conference on Optical Fibre Sensors, Curitiba, Brazil, 28/09/15. https://doi.org/10.1117/12.2193898

Fiber-optic liquid level monitoring system using microstructured polymer fiber Bragg grating array sensors: performance analysis. / Marques, C.A.F.; Pospori, A.; Sáez-Rodríguez, D. et al.
24th international conference on Optical Fibre Sensors. Bellingham, WA (US): SPIE, 2015. 96345V (SPIE proceedings; Vol. 9634).

Research output: Chapter in Book/Published conference output › Conference publication

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AB - A highly sensitive liquid level monitoring system based on microstructured polymer optical fiber Bragg grating (mPOFBG) array sensors is reported for the first time. The configuration is based on five mPOFBGs inscribed in the same fiber in the 850 nm spectral region, showing the potential to interrogate liquid level by measuring the strain induced in each mPOFBG embedded in a silicone rubber (SR) diaphragm, which deforms due to hydrostatic pressure variations. The sensor exhibits a highly linear response over the sensing range, a good repeatability, and a high resolution. The sensitivity of the sensor is found to be 98 pm/cm of water, enhanced by more than a factor of 9 when compared to an equivalent sensor based on a silica fiber around 1550 nm. The temperature sensitivity is studied and a multi-sensor arrangement proposed, which has the potential to provide level readings independent of temperature and the liquid density.

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Fiber-optic liquid level monitoring system using microstructured polymer fiber Bragg grating array sensors: performance analysis

Abstract

Publication series

Conference

Bibliographical note

Keywords

Access to Document

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