Temperature Sensing By Thermally-Induced Absorption In A Neodymium Doped Optical Fibre
- 14 October 1987
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- p. 115-120
- https://doi.org/10.1117/12.941094
Abstract
Absorption of 1.06pm 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.Keywords
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