Packaging technique of high temperature regenerated fiber Bragg grating temperature sensor

XUE Yuanze; WANG Xuefeng; TANG Caijie; LAN Tian

doi:10.13873/J.1000-9787(2019)05-0049-03

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Packaging technique of high temperature regenerated fiber Bragg grating temperature sensor

更新时间：2025-09-11

- Packaging technique of high temperature regenerated fiber Bragg grating temperature sensor
- Issue 5, Pages: 49-51(2019)
- 作者机构：
  
  1. 北京航天控制仪器研究所
  2. 北京光纤传感系统工程技术研究中心
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2019)05-0049-03
  CLC： TP212.11;TN253
- Published：2019
- 稿件说明：
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XUE Yuanze, WANG Xuefeng, TANG Caijie, et al. Packaging technique of high temperature regenerated fiber Bragg grating temperature sensor[J]. 2019, (5): 49-51.
DOI：

XUE Yuanze, WANG Xuefeng, TANG Caijie, et al. Packaging technique of high temperature regenerated fiber Bragg grating temperature sensor[J]. 2019, (5): 49-51. DOI： 10.13873/J.1000-9787(2019)05-0049-03.

摘要

针对光纤光栅高温再生后机械强度降低、易断裂的问题

开展了高温再生光纤Bragg光栅(RFBG)温度传感器封装技术研究

提出了一种石英—陶瓷管封装的高温再生光纤光栅温度传感器结构。通过1 000℃高温退火得到了高温再生光纤光栅温度传感器

并对其进行了标定

对其测量精度和高温稳定性进行了测试。结果表明:制得的再生光纤光栅温度传感器反射光谱信号良好

测量精度优于±3℃

1 000℃高温下保持5 h的温度偏差为±0. 6℃。

Abstract

A quartz-ceramic cube packaged high temperature regenerated fiber Bragg grating（ RFBG）temperature sensor structure is proposed

aiming at problem of mechanical strength reducing and frangibility of optical fiber after high temperature regeneration. High temperature RFBG is obtained by 1 000 ℃ annealing and calibrated

and measurement precision and high temperature stability are tested. Experimental results show that the RFBG temperature sensors possess excellent reflection spectrums signal

measurement precision is prior to ± 3 ℃

and the temperature deviation is ± 0. 6 ℃ at 1 000 ℃ for 5 h.

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