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1.5Ám Brillouin-based fibre optic distributed temperature sensor with high spatial resolution of 20cm

H.H.Kee and T.P.Newson


We demonstrate a high spatial resolution single-ended spontaneous Brillouin-based distributed temperature sensor for a 500m length of single-mode silica fibre. Using a short pulsewidth laser source at 1.5μm, measurements down to a spatial resolution of 20cm and temperature resolution of 4.4°C were achieved.

OFS 2000 Venice 11-13 Oct (2000)

Southampton ePrint id: 16909


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Copyright University of Southampton 2006