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Temperature sensing by thermally induced absorption in a neodymium doped optical fibre
Absorption of 1.06μm radiation in neodymium-doped fibre and subsequent anti-Stokes fluorescence is observed in neodymium-doped fibre at elevated temperatures. The increase in absorption is used as the basis for a distributed temperature sensor over the range 20-800°C. The temperature dependence of fluorescence at 940nm is used in an optical fibre point temperature sensor.
Proceedings SPIE The Hague Netherlands Mar (1987)
Southampton ePrint id: 77636
Copyright University of Southampton 2006