Abstract
A distributed temperature sensor for transient threshold monitoring with a 22 km sensing length, based on the Brillouin loss in standard communications fibre, is demonstrated. The system can be used for real-time monitoring of a preset temperature threshold. Good S/N ratios were achieved with only 8–16 sample averages giving a response time of 2 to 4 s with a temperature uncertainty of ±1 °C.
| Original language | English |
|---|---|
| Pages (from-to) | 1-3 |
| Number of pages | 3 |
| Journal | Canadian Journal of Physics |
| Volume | 74 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - Jan 1996 |
Keywords
- distributed temperature sensor
- transient threshold monitoring
- 22 km sensing length
- Brillouin loss
- standard communications fibre
- real-time monitoring
- preset temperature threshold
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