Study on stress and strain of BOTDA-based electric power special optical cables

Teng Ling1; Zhao Ling2; Zhao Hongbo1; Wang Peng1; Lu Lifeng1

doi:10.13756/j.gtxyj.2012.03.020

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Study on stress and strain of BOTDA-based electric power special optical cables

- Study on stress and strain of BOTDA-based electric power special optical cables
- Study on Optical communication Issue 3, Pages: 39-41(2012)
- 作者机构：
  
  1. 中国电力科学研究院
  2. 云南电网通信分公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2012.03.020
  CLC： TN818
- Published：2012，
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[1]滕玲,赵凌,赵宏波,王鹏,卢利峰.基于BOTDA的电力特种光缆应力应变研究[J].光通信研究,2012(03):39-41.

Teng Ling1, Zhao Ling2, Zhao Hongbo1, et al. Study on stress and strain of BOTDA-based electric power special optical cables. [J]. (3):39-41(2012)
[1]滕玲,赵凌,赵宏波,王鹏,卢利峰.基于BOTDA的电力特种光缆应力应变研究[J].光通信研究,2012(03):39-41. DOI： 10.13756/j.gtxyj.2012.03.020.

Teng Ling1, Zhao Ling2, Zhao Hongbo1, et al. Study on stress and strain of BOTDA-based electric power special optical cables. [J]. (3):39-41(2012) DOI： 10.13756/j.gtxyj.2012.03.020.

摘要

为解决光缆机械特性监测盲区

防止因机械性能劣化而产生的故障隐患

对光缆中光纤余长理论和BOTDA（布里渊光时域分析仪）、OTDR（光时域反射仪）监测原理进行研究。采用BOTDA监测技术

对光缆中光纤的应变进行了监测实验。结合理论分析

得出光纤应变随光缆的应力应变及机械特性变化的关系

能够对光缆机械性能劣化起到预警作用

防患于未然。

Abstract

In order to eliminate blind spots in optical cable mechanical property monitoring and prevent hidden failures due to mechanical performance degradation

we study the theory of fiber excess length in optical cables and the monitoring principles of BOTDA and OTDR.Using the BOTDA monitoring technology

we conduct monitoring experiments for the fiber strain in the cables.In combination with theoretical analysis

we obtain the relationship of fiber strain changes with the cable stress

strain and mechanical properties

which can act as a prewarning for the potential mechanical property deterioration of optical cables.

关键词

布里渊光时域分析仪光时域反射仪应力应变光缆监测

Keywords

BOTDAOTDRstress-strainoptical fiber cablemonitoring

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