Abstract
We have demonstrated an ultralong (up to 85 km in length) all-fibre Raman temperature sensor which utilises SMF-28 standard single-mode telecom fibre and a 1.63-mm probe signal source. The probe signal from the laser diode is amplified by a Raman fibre amplifier. The temperature along a 85-km-long fibre line has been measured with an accuracy of 8 °C and spatial resolution of 800 m or better.
Original language | English |
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Pages (from-to) | 967-970 |
Number of pages | 4 |
Journal | Quantum Electronics |
Volume | 47 |
Issue number | 10 |
DOIs | |
Publication status | Published - 1 Jan 2017 |
Keywords
- Distributed temperature sensor
- Fibre-optic link.
- Raman scattering
- fibre-optic link
- distributed temperature sensor