Advances in the research on distributed optical fiber temperature and strain sensing

Li Rongwei; Liu Jianfu; Yang Zhi; Li Yongqian

doi:10.13756/j.gtxyj.2010.03.020

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Advances in the research on distributed optical fiber temperature and strain sensing

- Advances in the research on distributed optical fiber temperature and strain sensing
- Study on Optical communication Issue 3, Pages: 44-47(2010)
- 作者机构：
  
  华北电力大学
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2010.03.020
  CLC： TP212
- Published：2010，
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[1]李荣伟,刘健夫,杨志,李永倩.分布式光纤温度和应变传感技术的研究进展[J].光通信研究,2010(03):44-47.

Li Rongwei, Liu Jianfu, Yang Zhi, et al. Advances in the research on distributed optical fiber temperature and strain sensing. [J]. (3):44-47(2010)
[1]李荣伟,刘健夫,杨志,李永倩.分布式光纤温度和应变传感技术的研究进展[J].光通信研究,2010(03):44-47. DOI： 10.13756/j.gtxyj.2010.03.020.

Li Rongwei, Liu Jianfu, Yang Zhi, et al. Advances in the research on distributed optical fiber temperature and strain sensing. [J]. (3):44-47(2010) DOI： 10.13756/j.gtxyj.2010.03.020.

摘要

文章针对分布式光纤传感技术现状

介绍了基于相干光时域反射和双脉冲布里渊光时域反射的两种光纤传感技术

这两种温度和应变传感具有高测量精度、高空间分辨率等优点

可广泛应用于国防、科研等领域。详细分析了两种传感方法的系统方案和实现原理

指出了每种方法的关键技术及创新点。探讨了分布式光纤温度和应变传感技术的发展趋势。

Abstract

In view of the current situation of distributed optical fiber sensing technology

two kinds of optical temperature and strain sensing technologies

based respectively on coherent optical time-domain reflection and double-pulse Brillouin optical time-domain reflection

are introduced in this paper.They have such advantages as high measurement precision and high spatial resolution and can be widely used in the fields of national defense and scientific research.Their systematic schemes and measurement principles are analyzed in detail

their key techniques and innovations pointed out and the trend of development of the distributed optical fiber sensing technology discussed.

关键词

分布式光纤传感温度应变瑞利散射布里渊散射

Keywords

distributed optical fiber sensingtemperaturestrainRayleigh scatteringBrillouin scattering

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Jiangsu Frontier Electric Power Technology Co., Ltd.

Department of Electronic and Communication Engineering,North China Electric Power University

Dept.of Electronic and Communication Engineering,North China Electric Power University

Dept.of Electronics and Communication Engineering,North China Electric Power University

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