Distributed temperature sensor using Nd 3+ -doped optical fibre
- 10 April 1986
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 22 (8) , 418-419
- https://doi.org/10.1049/el:19860285
Abstract
We report the measurement of temperature distribution with an Nd3+ -doped multimode optical fibre. By exploiting the temperature-sensitive absorption bands of the doped-glass core, temperature was measured to an accuracy of 2°C over the range −50°C to 100°C. A spatial resolution of 15 m over a fibre length of 140 m was obtained.Keywords
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