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一种新型温度自适应光纤光栅动态传感系统 被引量:5

A temperature self-adapting fiber Bragg grating dynamic sensor system
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摘要 研究了采用温度控制光纤Bragg光栅(FBG)作为信号解调器件的自适应光纤光栅动态传感系统。系统利用半导体制冷器件对滤波用FBG进行温度控制,以改变FBG的窄带滤波波长,使之在合适的滤波波长工作,以适应测量环境温度变化,实现对传感器环境温度变化的自适应。通过采用参考信道,去除系统噪音,提高测量精度。系统动态应变传感精度达到9.745×10-10(Hz)-1/2。 A self-adapting FBG (Fiber Bragg grating) dynamic sensor system based on the temperature controlled filter FBG is investigated. Using the semiconductor cooling device the temperature of the FBG filter was controlled, so that the wavelength of the narrowband filter FBG could be controlled to suit the environment temperature variation, and the self adaptation of the tem- perature variation be realized. Using the reference channel and wiping off the system noise, the measurement precision was im- proved. The system dynamic strain resolution is 9.745×10^-10(Hz)^-1/2.
出处 《强激光与粒子束》 EI CAS CSCD 北大核心 2005年第12期1773-1777,共5页 High Power Laser and Particle Beams
基金 国家自然科学基金委-中国工程物理研究院联合基金资助课题(10376033)
关键词 光纤光栅 传感器 温度控制 Optical fiber grating Sensor Temperature control
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参考文献14

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