Distributed acoustic sensor based on a two-mode fiber

被引：25

作者：

Chen, Mengmeng ^{[1
,2
]}

Masoudi, Ali ^{[2
]}

Parmigiani, Francesca ^{[2
,3
]}

Brambilla, Gilberto ^{[2
]}

机构：

[1] Nanjing Xiaozhuang Univ, Sch Elect & Engn, Nanjing 211171, Jiangsu, Peoples R China

[2] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

[3] Microsoft Res, Cambridge CB1 2FB, England

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 19期

基金：

英国工程与自然科学研究理事会;

关键词：

FEW-MODE FIBER; MULTIMODE OPTICAL-FIBERS; RAYLEIGH BACKSCATTERING; TEMPERATURE SENSOR; FUNDAMENTAL MODE; STRAIN SENSOR; OTDR; INTERFERENCE; SCATTERING; CURVATURE;

D O I：

10.1364/OE.26.025399

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A distributed optical fiber dynamic strain sensor also known as a distributed acoustic sensor (DAS) based on two-mode fiber is demonstrated. By using phi-OTDR interrogation technique, the backscattered light from higher order modes can be used to fully quantify vibrations along the sensing fiber. In addition, by combining the results obtained from different modes, 2.52dB improvement in noise floor is achieved. These results confirm that few-mode fibers can be used for DAS applications. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License.

引用

页码：25399 / 25407

页数：9

共 26 条

[1] Fading reduction in a phase optical time-domain reflectometer with multimode sensitive fiber [J].

Alekseev, A. E. ;

Vdovenko, V. S. ;

Gorshkov, B. G. ;

Potapov, V. T. ;

Simikin, D. E. .

LASER PHYSICS, 2016, 26 (09)

[2] Rayleigh backscattering from the fundamental mode in step-index multimode optical fibers [J].

Bisyarin, M. A. ;

Kotov, O. I. ;

Hartog, A. H. ;

Liokumovich, L. B. ;

Ushakov, N. A. .

APPLIED OPTICS, 2017, 56 (02) :354-364

[3] Rayleigh backscattering from the fundamental mode in multimode optical fibers [J].

Bisyarin, M. A. ;

Kotov, O. I. ;

Hartog, A. H. ;

Liokumovich, L. B. ;

Ushakov, N. A. .

APPLIED OPTICS, 2016, 55 (19) :5041-5051

[4] Optical fiber curvature sensor based on few mode fiber [J].

Chen, Jing ;

Lu, Ping ;

Liu, Deming ;

Zhang, Jiangshan ;

Wang, Shun ;

Chen, Dafeng .

OPTIK, 2014, 125 (17) :4776-4778

[5]

Davies D., 2010, U.S. patent, Patent No. [7668411 B2, 7668411]

[6] ON THE THEORY OF BACKSCATTERING IN SINGLE-MODE OPTICAL FIBERS [J].

HARTOG, AH ;

GOLD, MP .

JOURNAL OF LIGHTWAVE TECHNOLOGY, 1984, 2 (02) :76-82

[7] Multi-event waveform-retrieved distributed optical fiber acoustic sensor using dual-pulse heterodyne phase-sensitive OTDR [J].

He, Xiangge ;

Xie, Shangran ;

Liu, Fei ;

Cao, Shan ;

Gu, Lijuan ;

Zheng, Xiaoping ;

Zhang, Min .

OPTICS LETTERS, 2017, 42 (03) :442-445

[8] A sensitivity enhanced temperature sensor based on highly Germania-doped few-mode fiber [J].

Huang, Tianye ;

Shao, Xuguang ;

Wu, Zhifang ;

Sun, Yunxu ;

Zhang, Jing ;

Huy Quoc Lam ;

Hu, Juanjuan ;

Shum, Perry Ping .

OPTICS COMMUNICATIONS, 2014, 324 :53-57

[9] Studies on a few-mode fiber-optic strain sensor based on LP01-LP02 mode interference [J].

Kumar, A ;

Goel, NK ;

Varshney, RK .

JOURNAL OF LIGHTWAVE TECHNOLOGY, 2001, 19 (03) :358-362

[10] Few-mode fiber multi-parameter sensor with distributed temperature and strain discrimination [J].

Li, An ;

Wang, Yifei ;

Fang, Jian ;

Li, Ming-Jun ;

Kim, Byoung Yoon ;

Shieh, William .

OPTICS LETTERS, 2015, 40 (07) :1488-1491

← 1 2 3 →