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基于七芯光纤和少模光纤拼接结构的曲率传感测量

Curvature Sensing Measurement Based on Seven-Core Fiber and Few-Mode Fiber Splicing Structure

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摘要

利用光纤在不同弯曲曲率下的不同形变,提出并验证了一种基于七芯光纤和少模光纤的新型光纤曲率传感器。分别制作了三种不同结构的传感器,利用快速傅里叶变换分析了它们的干涉模式,获得波长的传感灵敏度分别为6.33,30.83,15.96 nm/m,强度的传感灵敏度分别为8.57,25.65,1.96 dB/m。

Abstract

Based on the different deformations of optical fibers under different bending curvatures, a novel optical fiber curvature sensor is proposed and demonstrated based on seven-core fiber (SCF) and few-mode fiber (FMF). In the experiment, three kinds of sensors with different structures are prepared, and their interference modes are analyzed with the fast Fourier transform (FFT) method. The sensing sensitivities of wavelength are 6.33, 30.83, 15.96 nm/m, respectively, while the sensing sensitivities of intensity are 8.57, 25.65, 1.96 dB/m, respectively.

Newport宣传-MKS新实验室计划
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中图分类号:O436

DOI:10.3788/aos201939.0306001

所属栏目:光纤光学与光通信

基金项目:载运工具先进制造与测控技术教育部重点实验室(北京交通大学)开放课题、地下综合管廊施工技术与智慧化管理系统研究课题(00362016168)

收稿日期:2018-07-16

修改稿日期:2018-10-07

网络出版日期:2018-10-21

作者单位    点击查看

许西宁:北京交通大学机械与电子控制工程学院, 北京 100044北京交通大学载运工具先进制造与测控技术教育部重点实验室, 北京 100044
陈雍君:北京建筑大学经济与管理工程学院, 北京 100044

联系人作者:陈雍君(cyj@bucea.edu.cn)

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引用该论文

Xu Xining,Chen Yongjun. Curvature Sensing Measurement Based on Seven-Core Fiber and Few-Mode Fiber Splicing Structure[J]. Acta Optica Sinica, 2019, 39(3): 0306001

许西宁,陈雍君. 基于七芯光纤和少模光纤拼接结构的曲率传感测量[J]. 光学学报, 2019, 39(3): 0306001

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