A Nonlinear Mirror Structure to Improve the Performance of the Distributed Fiber Temperature Sensor Based on Raman Backscattering

Yang Chen Yong Liu Xiao-Li Zhou Li-Xun Zhang Zhi-Yong Dai Yong-Zhi Liu

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A Nonlinear Mirror Structure to Improve the Performance of the Distributed Fiber Temperature Sensor Based on Raman Backscattering

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摘要

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°C to ±0.2°C. The theoretical analysis and the experimental data are in good agreement.

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《电子科技学刊：英文版》 |2008年第4期|405-407|共3页
作者
Yang Chen Yong Liu Xiao-Li Zhou Li-Xun Zhang Zhi-Yong Dai Yong-Zhi Liu;
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作者单位

Key Laboratory of Broadband Optical FiberTransmission ＆ Communication Networks;

Ministry of Education ofChina;

School of Optoelectronic Information;

University of ElectronicScience and Technology of China;

Chengdu;

610054;

China;

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原文格式 PDF
正文语种 chi
中图分类一般性问题;
关键词
分布式感应; 纤维传感; 非线性反射; 喇曼散射; 温度敏感器;

机译：分布式感应;纤维传感;非线性反射;喇曼散射;温度敏感器;

A Nonlinear Mirror Structure to Improve the Performance of the Distributed Fiber Temperature Sensor Based on Raman Backscattering

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