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Proceedings Paper

10-km distributed optical fiber sensor system and application
Author(s): Zaixuan Zhang; Insoo S. Kim; Jianfeng Wang; Haiqi Feng; Ning Guo; Xiangdong Yu; Honglin Liu; Xiaobiao Wu; Sangki Oh; Yohee Kim
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Paper Abstract

This paper briefly introduces the operation principle and configuration of distributed optical fiber sensor (DOFS) system. A new demodulation method that uses Rayleigh back scattering photon flux to demodulate Raman back scattering photon flux is put forward, and the advantages of this new method are discussed. Methods to measure temperature, strain and pressure at the same time are researched. The performance of DOFS is following: fiber length: 10.2 km; temperature uncertainty: +/- 2 degree(s)C: temperature resolution: 0.1 degree(s)C; spatial resolution: 4m: measurement time: 5 min; Main unit operation temperature range: 0 - 40 degree(s)C. The DOFS system have been applied to coal mine.

Paper Details

Date Published: 12 December 2001
PDF: 5 pages
Proc. SPIE 4540, Sensors, Systems, and Next-Generation Satellites V, (12 December 2001); doi: 10.1117/12.450680
Show Author Affiliations
Zaixuan Zhang, China Institute of Metrology (China)
Insoo S. Kim, Korea Electrotechnology Research Institute (South Korea)
Jianfeng Wang, China Institute of Metrology (China)
Haiqi Feng, China Institute of Metrology (China)
Ning Guo, China Institute of Metrology (China)
Xiangdong Yu, China Institute of Metrology (China)
Honglin Liu, China Institute of Metrology (China)
Xiaobiao Wu, China Institute of Metrology (China)
Sangki Oh, Korea Electrotechnology Research Institute (South Korea)
Yohee Kim, Korea Electrotechnology Research Institute (South Korea)


Published in SPIE Proceedings Vol. 4540:
Sensors, Systems, and Next-Generation Satellites V
Hiroyuki Fujisada; Joan B. Lurie; Konradin Weber; Joan B. Lurie; Konradin Weber, Editor(s)

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