Title :
Distributed temperature sensor using Nd3+ -doped optical fibre
Author :
Farries, M.C. ; Fermann, M.E. ; Laming, R.I. ; Poole, S.B. ; Payne, David N. ; Leach, A.P.
Author_Institution :
University of Southampton, Department of Electronics & Information Engineering, Southampton, UK
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 :
fibre optic sensors; spectral methods of temperature measurement; temperature distribution; Nd3+-doped optical fibre; doped-glass core; multimode optical fibre; spatial resolution; temperature distribution measurement; temperature sensor; temperature-sensitive absorption bands;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860285
