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The temperature effect of fiber optics Raman back-scattering have been researched at high temperature (1000 degree(s)C) condition. A distributed fiber optics Raman and Rayleigh back-scattering sensor measuring network have been design and fabricated. The performance of high temperature measuring network is following: temperature measuring range: 0-1000 degree(s)C; temperature uncertainty: <+/- 30 degree(s)C; temperature resolution: 1 degree(s)C; Spatial resolution: 8<m Measuring time: 40s; Fiber length: 100m-10km (according to user need). The stress change of optical cable can be toke out by the measuring network.
Zaixuan Zhang,Ning Guo,Xiangdong Yu,Jianfeng Wang,Xiaobiao Wu,Insoo S. Kim, andYohee Kim
"Distributed fiber optic Raman high-temperature (1000oC) measurement networks", Proc. SPIE 4603, Fiber Optics and Optoelectronics for Network Applications, (16 October 2001); https://doi.org/10.1117/12.444543
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Zaixuan Zhang, Ning Guo, Xiangdong Yu, Jianfeng Wang, Xiaobiao Wu, Insoo S. Kim, Yohee Kim, "Distributed fiber optic Raman high-temperature (1000oC) measurement networks," Proc. SPIE 4603, Fiber Optics and Optoelectronics for Network Applications, (16 October 2001); https://doi.org/10.1117/12.444543