基于REC-DFB可调谐激光器的无波长校正FBG传感系统

邓韦 DENG Wei; 戴攀 DAI Pan; 王峰 Wang Feng; 葛涵天 GE Hantian; 陈向飞 CHEN Xiangfei

doi:10.3788/gzxb20235212.1206004

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基于REC-DFB可调谐激光器的无波长校正FBG传感系统

邓韦 DENG Wei 戴攀 DAI Pan 王峰 Wang Feng 葛涵天 GE Hantian 陈向飞 CHEN Xiangfei

Year: 2023 Journal: ACTA PHOTONICA SINICA Vol: 52 (12)Pages: 1206004-1206004 Publisher: Chinese Optical Society

DOI: 10.3788/gzxb20235212.1206004

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Abstract

提出了一种无波长校正的光纤布拉格光栅(FBG)传感系统,可在未对基于重构等效啁啾(REC)技术制造的扫频DFB激光器进行波长线性校正的情况下,识别波长变化,并解调出光栅传感器的温度变化。所提无波长校正FBG传感系统可以在200 ℃范围内进行精确的温度检测,测得的波长与温度的线性系数1-R2仅为0.004 4。该传感系统光源在1 kHz的锯齿波调制下,调谐范围可达2.5 nm,且测量过程中无需额外波长校正器件。

Keywords:

Computer science Materials science Optics Physics

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基于REC-DFB可调谐激光器的无波长校正FBG传感系统

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