光纤光栅传感器阵列在空间温度场测量中的应用

提出了一种基于光纤光栅(FBG)的温度传感测量系统,其可应用于空间温度场的分析与研究。该系统主要由FBG阵列、光纤解调仪和上位机组成,可以在复杂的环境下进行实时多点测温,实现对环境中的温度场进行监控与温度记录。经实验验证,该测量系统准确的实现了对空间中各点温度的实时测量。该系统具有空间分辨率高,响应速度快,抗电磁辐射等特点,为空间温度场研究及特殊工况下的温度场监测提供了有力手段。

Application of fiber Bragg grating sensor array in space temperature field measurement

A temperature sensing measurement system based on fiber Bragg grating(FBG) is proposed,which can be applied to the analysis and research of space temperature field.The system is mainly composed of FBG array,optical fiber demodulator and host computer,which can realize the real-time multi-point temperature measurement in complex environment as well as monitoring and temperature recording of temperature field in the environment.The experimental results demonstrate that the proposed measurement system accurately realizes the real-time temperature measurement of each point in the space.The system has the characteristics of high spatial resolution,fast respond speed and anti-electromagnetic radiation,which provides a powerful means for the study of spatial temperature field and the monitoring of temperature field under special working conditions.