中国电子科技2008，Vol.6Issue(4)：405-407,3.
A Nonlinear Mirror Structure to Improve the Performance of the Distributed Fiber Temperature Sensor Based on Raman Backscattering
A Nonlinear Mirror Structure to Improve the Performance of the Distributed Fiber Temperature Sensor Based on Raman Backscattering
摘要
Abstract
A novel nonlinear mirror structure which can increase the optical signal-to-noise ratio of a distributed fiber Raman temperature sensor is proposed, and 6 dB improvement of the optical signal-to-noise ratio is obtained. With the assistance of the nonlinear mirror, we demonstrate that the spatial resolution of the sensor is improved from 3 m to 1 m, and the temperature accuracy is improved from ±0.6℃ to ±0.2℃. The theoretical analysis and the experimental data are in good agreement.关键词
Distributed Sensing, fiber sensing, nonlinear mirror, Raman backscattering, temperature sensor.Key words
Distributed Sensing, fiber sensing, nonlinear mirror, Raman backscattering, temperature sensor.分类
信息技术与安全科学引用本文复制引用
Yang Chen,Yong Liu,Xiao-Li Zhou,Li-Xun Zhang,Zhi-Yong Dai,Yong-Zhi Liu..A Nonlinear Mirror Structure to Improve the Performance of the Distributed Fiber Temperature Sensor Based on Raman Backscattering[J].中国电子科技,2008,6(4):405-407,3.基金项目
This work was supported by the National Natural Science Foundation of China under Grant No.60377021, partially supported by Program for New Century Excellent Talents in University under Grant No. NCET-07-0152, and Sichuan Scientific Funds for Young Researchers under Grant No. 08ZQ026-012. （）
