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Optical in-fibre grating high pressure sensor

M.G.Xu, L.Reekie, Y.T.Chow and J.P.Dakin


A high pressure fibre optic sensor using an in-fibre grating has been constructed. The wavelength of peak reflection from an in-fibre grating is tracked as it is pressurised, and a wavelength shift of 0.22nm at 70MPa hydraulic pressure has been observed. This sensor is expected to be an attractive choice for ultrahigh-pressure monitoring.

Electronics Letters (1993) Vol.29(4) pp.398-399

doi: 10.1049/el:19930267

Southampton ePrint id: 78296


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Copyright University of Southampton 2006