Hydrostatic pressure sensing using a polymer optical fibre Bragg gratings
Contribuinte(s) |
Canning, John Peng, Gangding D. |
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Data(s) |
2012
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Resumo |
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. |
Formato |
application/pdf |
Identificador |
Johnson, Ian P.; Webb, David J. and Kalli, Kyriacos (2012). Hydrostatic pressure sensing using a polymer optical fibre Bragg gratings. IN: Third Asia Pacific optical sensors conference. Canning, John and Peng, Gangding D. (eds) SPIE proceedings, 8351 . SPIE. |
Publicador |
SPIE |
Relação |
http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1346235 http://eprints.aston.ac.uk/18155/ |
Tipo |
Book Section NonPeerReviewed |