Hydrostatic pressure sensing using a polymer optical fibre Bragg gratings

Ian P. Johnson, David J. Webb, Kyriacos Kalli

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The sensitivity of a fibre Bragg grating (FBG) sensor fabricated in polymer optical fibre (POF) to hydrostatic pressure was investigated for the first time. In this initial investigative work a reflected Bragg response of a FBG fabricated in multimode microstructured POF (MMmPOF) was monitored, whilst the hydrostatic pressure was increased up to 10MPa. Positive sensitivities were observed, meaning a positive wavelength shift to increasing pressure, as opposed to negative sensitivities monitored when using a FBG sensor fabricated in silica optical fibre. The FBG sensors fabricated in the MMmPOF gave fractional changes in wavelength and hence sensitivities of at least 64.05×10-6/MPa, which is some 25 times larger than the -2.50×10-6/MPa sensitivity of a FBG sensor fabricated in silica optical fibre that was measured in this work. Furthermore this work highlighted a decrease in sensitivity of the FBG sensor fabricated in the MMmPOF by some 50% by sealing the holes of the mPOF at the tip of the fibre with an adhesive. This offers the potential to tailor the response of the sensor to hydrostatic pressure.
Original languageEnglish
Title of host publicationThird Asia Pacific optical sensors conference
EditorsJohn Canning, Gangding D. Peng
PublisherSPIE
Number of pages7
Volume8351
ISBN (Print)978-0-8194-9027-8
DOIs
Publication statusPublished - 2012
Event3rd Asia Pacific Optical Sensors Conference (APOS) - Sydney, Australia
Duration: 31 Jan 20123 Feb 2012

Publication series

NameSPIE proceedings
PublisherSPIE
Volume8351
ISSN (Print)0277-786X

Conference

Conference3rd Asia Pacific Optical Sensors Conference (APOS)
CountryAustralia
CitySydney
Period31/01/123/02/12

Fingerprint

Polymer Optical Fiber
Plastic optical fibers
Hydrostatic Pressure
Fiber Grating
Hydrostatic pressure
Fiber Bragg gratings
Bragg Grating
Fiber Bragg Grating Sensor
hydrostatic pressure
Bragg gratings
Sensing
optical fibers
fibers
Sensors
polymers
sensitivity
sensors
Silica
Silicon Dioxide
Optical Fiber

Bibliographical note

Johnson, Ian P.; Webb, David J.; Kalli, Kyriacos, "Hydrostatic pressure sensing using a polymer optical fibre Bragg gratings", Third Asia Pacific optical sensors conference. eds. John Canning; Gangding D. Peng., Vol. 8351 SPIE, 2012. (SPIE proceedings).

Copyright notice format: Copyright 2012 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.

http://dx.doi.org/10.1117/12.914391

Cite this

Johnson, I. P., Webb, D. J., & Kalli, K. (2012). Hydrostatic pressure sensing using a polymer optical fibre Bragg gratings. In J. Canning, & G. D. Peng (Eds.), Third Asia Pacific optical sensors conference (Vol. 8351). (SPIE proceedings; Vol. 8351). SPIE. https://doi.org/10.1117/12.914391
Johnson, Ian P. ; Webb, David J. ; Kalli, Kyriacos. / Hydrostatic pressure sensing using a polymer optical fibre Bragg gratings. Third Asia Pacific optical sensors conference. editor / John Canning ; Gangding D. Peng. Vol. 8351 SPIE, 2012. (SPIE proceedings).
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Johnson, IP, Webb, DJ & Kalli, K 2012, Hydrostatic pressure sensing using a polymer optical fibre Bragg gratings. in J Canning & GD Peng (eds), Third Asia Pacific optical sensors conference. vol. 8351, SPIE proceedings, vol. 8351, SPIE, 3rd Asia Pacific Optical Sensors Conference (APOS), Sydney, Australia, 31/01/12. https://doi.org/10.1117/12.914391

Hydrostatic pressure sensing using a polymer optical fibre Bragg gratings. / Johnson, Ian P.; Webb, David J.; Kalli, Kyriacos.

Third Asia Pacific optical sensors conference. ed. / John Canning; Gangding D. Peng. Vol. 8351 SPIE, 2012. (SPIE proceedings; Vol. 8351).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - The sensitivity of a fibre Bragg grating (FBG) sensor fabricated in polymer optical fibre (POF) to hydrostatic pressure was investigated for the first time. In this initial investigative work a reflected Bragg response of a FBG fabricated in multimode microstructured POF (MMmPOF) was monitored, whilst the hydrostatic pressure was increased up to 10MPa. Positive sensitivities were observed, meaning a positive wavelength shift to increasing pressure, as opposed to negative sensitivities monitored when using a FBG sensor fabricated in silica optical fibre. The FBG sensors fabricated in the MMmPOF gave fractional changes in wavelength and hence sensitivities of at least 64.05×10-6/MPa, which is some 25 times larger than the -2.50×10-6/MPa sensitivity of a FBG sensor fabricated in silica optical fibre that was measured in this work. Furthermore this work highlighted a decrease in sensitivity of the FBG sensor fabricated in the MMmPOF by some 50% by sealing the holes of the mPOF at the tip of the fibre with an adhesive. This offers the potential to tailor the response of the sensor to hydrostatic pressure.

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Johnson IP, Webb DJ, Kalli K. Hydrostatic pressure sensing using a polymer optical fibre Bragg gratings. In Canning J, Peng GD, editors, Third Asia Pacific optical sensors conference. Vol. 8351. SPIE. 2012. (SPIE proceedings). https://doi.org/10.1117/12.914391