Research on cross-sensitivity of conical fiber grating sensors

Di Jian; Chen Tianying

doi:10.13756/j.gtxyj.2014.04.020

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Research on cross-sensitivity of conical fiber grating sensors

- Research on cross-sensitivity of conical fiber grating sensors
- Study on Optical communication Issue 4, Pages: 64-66(2014)
- 作者机构：
  
  华北电力大学计算机系
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2014.04.020
  CLC： TN253
- Published：2014，
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[1]邸剑,陈天英.锥形光纤光栅传感器交叉敏感问题的仿真研究[J].光通信研究,2014(04):64-66.

Di Jian, Chen Tianying. Research on cross-sensitivity of conical fiber grating sensors. [J]. (4):64-66(2014)
[1]邸剑,陈天英.锥形光纤光栅传感器交叉敏感问题的仿真研究[J].光通信研究,2014(04):64-66. DOI： 10.13756/j.gtxyj.2014.04.020.

Di Jian, Chen Tianying. Research on cross-sensitivity of conical fiber grating sensors. [J]. (4):64-66(2014) DOI： 10.13756/j.gtxyj.2014.04.020.

摘要

利用单个光纤光栅传感器的锥形结构和必要的参数同时测量应力和温度。通过写入线性光纤并将其制成锥形结构

利用FBG（光纤布拉格光栅）的波长峰值和波形半峰值宽度来编码信息。FBG的半峰值宽度只依赖于应力

与温度的变化无关

利用这一特性

可以实现用单个光纤光栅解决应力和温度的交叉敏感问题。Matlab软件仿真结果表明

应力和温度的误差分别界定为±15.26με和±1.92℃。

Abstract

Strain and temperature are simultaneously measured by using the conical structure of a single Fiber Bragg Grating（FBG）sensor and the necessary parameters.Information is encoded by writing it in a linearly etched fiber and making it into a conical structure and using the peak wavelength and the waveform half peak width of the sensor.Strain-temperature cross-sensitivity of a single FGB can be resolved by utilizing the feature that its half peak width is only dependent on the applied strain

but not on temperature variations.Matlab simulation results indicate that the errors of the strain and temperature are defined as±15.26μεand±1.92℃respectively.

关键词

光纤布拉格光栅光纤传感器温度应力交叉敏感仿真

Keywords

FBGfiber-optic sensortemperature-strain cross sensitivitysimulation

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Related Institution

School of Ocean Technology Sciences, Qilu University of Technology (Shandong Academy of Sciences)

Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences)

Beijing Laboratory of Optical Fiber Sensing and Systems, Beijing Information Science and Technology University

Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University

School of Control Engineering,Northeastern University at Qinhuangdao

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