Curvature sensing with a D-shaped multicore fibre and Brillouin optical time-domain reflectometry

被引：21

作者：

Zafeiropoulou, Angeliki ^{[1
,2
]}

Masoudi, Ali ^{[1
]}

Zdagkas, Apostolos ^{[1
]}

Cooper, Laurence ^{[2
]}

Brambilla, Gilberto ^{[1
]}

机构：

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

[2] Fibercore, Southampton Sci Pk,Fibercore House,Univ Pkwy, Southampton SO16 7QQ, Hants, England

来源：

OPTICS EXPRESS | 2020年 / 28卷 / 02期

基金：

欧盟地平线“2020”;

关键词：

BEND MEASUREMENT; BRAGG GRATINGS; TEMPERATURE;

D O I：

10.1364/OE.383096

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A distributed curvature sensor based on Brillouin optical time-domain reflectometry interrogation technique in a D-shaped 7-core fibre is presented. By comparing the relative Brillouin frequency shift between the central core and three of the outer cores of the 7-core fibre, the curvature of various spools with different diameters is measured with a deviation from the actual value ranging between 9% and 15%. The analysis and results presented in this study show the first demonstration of distributed bend sensing using a specially designed multicore D-shaped fibre, paving the way for fully distributed 3D shape sensing. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：1291 / 1299

页数：9

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