基于自适应双光梳系统的高分辨率快速热传感器（英文）

被引：1

作者：

Yizheng GUO ^{[1
]}

Ming YAN ^{[2
]}

Qiang HAO ^{[1
]}

Kangwen YANG ^{[1
]}

Xuling SHEN ^{[1
,2
,3
]}

Heping ZENG ^{[1
,2
]}

机构：

[1] Shanghai Key Laboratory of Modern Optical System, Engineering Research Center of Optical Instrument and System (Ministry of Education), School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology

[2] State Key Laboratory of Precision Spectroscopy, East China Normal University

[3] Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences

来源：

Frontiers of Information Technology & Electronic Engineering | 2019年 / 20卷 / 05期

关键词：

干涉仪; 光纤传感器; 激光光谱学;

D O I：

暂无

中图分类号：

TP212 [发送器（变换器）、传感器];

学科分类号：

080202 ;

摘要：

提出一种基于自适应双光梳光谱测量系统的相移光纤布拉格光栅(PFBG)高分辨率快速热传感技术。与传统双光梳系统相比,自适应双光梳系统以两个自由运行的光纤激光器为光源,消除了严格的锁相反馈环节,极大降低了系统复杂度。利用自适应技术对光梳梳齿的快速不稳定性进行较好补偿,通过对干涉图进行时域快速傅里叶变换,精确表征了PFBG的光学响应。单次采集可在几十毫秒内完成,光谱分辨率为0.1 pm,对应的热测量分辨率为0.01℃。测量的光谱带宽超过14 nm,说明动态测量范围较大。自适应双光梳系统采用宽松的自控制方案,在室外实际应用中显示出巨大潜力。

引用

页码：674 / 685

页数：12

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