Study on temperature sensing characteristics based on π-PSFBG

HOU Meijiang; TIAN Jing

doi:10.13873/J.1000-9787(2020)11-0050-03

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Study on temperature sensing characteristics based on π-PSFBG

更新时间：2025-09-11

- Study on temperature sensing characteristics based on π-PSFBG
- Issue 11, Pages: 50-52(2020)
- 作者机构：
  
  贵州大学物理学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2020)11-0050-03
  CLC： TN253;TP212
- Published：2020
- 稿件说明：
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HOU Meijiang, TIAN Jing. Study on temperature sensing characteristics based on π-PSFBG[J]. 2020, (11): 50-52.
DOI：

HOU Meijiang, TIAN Jing. Study on temperature sensing characteristics based on π-PSFBG[J]. 2020, (11): 50-52. DOI： 10.13873/J.1000-9787(2020)11-0050-03.

摘要

提出了一种简易的利用π相移光栅(π-PSFBG)实现温度测量的传感系统。系统利用了π相移光栅的窄带特征

可显著提高系统灵敏度

系统结构简单

易于操作。通过实验验证了该传感器的温度传感特性

结果显示:随着温度的升高

π-PSFBG的中心波长呈线性变化

线性拟合度R2为0. 999 5

温度灵敏度约为10. 2 pm/℃。

Abstract

A simple sensing system for temperature measurement using π phase-shift fiber Bragg grating（ π-PSFBG） is proposed. The system utilizes the narrow bandwidth feature of the π phase-shift grating to significantly improve the system sensitivity

and structure of system is simple and easy to operate. The temperature sensing characteristics of the sensor is experimentally verified. The results show that the center wavelength of the π-PSFBG changes linearly with the increase of temperature

linear fitting R2 is 0. 999 5

and the temperature sensitivity is about 10. 2 pm/℃ .

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