Lees, Gareth P., Wait, Peter and Newson, Trevor P.
Novel optical fibre distributed temperature sensor based on the Landau-Placzek ratio.
Proceedings of Optical Fiber Sensors.
12th International Conference on Optical Fibre Sensors
Optical Society of America.
We report our latest results on a compact, diode pumped optical fibre distributed temperature sensor based on Brillouin scattering. A high power, short pulse Q-switched Erbium/Ytterbium fibre laser and a double pass in-fibre Mach-Zehnder interferometer make this Brillouin distributed temperature sensor an attractive commercial device. A spatial and temperature resolution of 10 metres and + or - 1.7°C has been demonstrated
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