Distributed temperature sensor based on Brillouin loss in an optical fibre for transient threshold monitoring
作者： X. Bao , D. J. Webb , D. A. Jackson
DOI: 10.1139/P96-001
关键词: Transient (oscillation) 、 Optics 、 Optical fiber 、 Brillouin zone 、 Response time 、 Physics 、 Sample (graphics)
摘要: 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 real-time of preset threshold. Good S/N ratios were achieved only 8–16 sample averages giving response time 2 to 4 s uncertainty ±1 °C.
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