Distributed multi-parameter sensing based on the Brillouin scattering effect in orbital angular momentum guiding fiber

被引：9

作者：

Sheng, Liwen ^{[1
,2
,3
]}

Huang, L. I. N. ^{[1
,2
]}

Yan, Jisong ^{[1
]}

Qiao, Shan ^{[1
]}

Zhang, Aiguo ^{[1
]}

Jin, H. U., I ^{[1
]}

Yuan, Ming ^{[1
]}

Qu, Tianyang ^{[1
]}

Liu, Zhiming ^{[1
]}

机构：

[1] Ceyear Technol Co Ltd, Qingdao 266555, Peoples R China

[2] Sci & Technol Elect Test & Measurement Lab, Qingdao 266555, Peoples R China

[3] Xidian Univ, Xian 710071, Peoples R China

来源：

OPTICS CONTINUUM | 2022年 / 1卷 / 01期

基金：

中国国家自然科学基金;

关键词：

TIME-DOMAIN REFLECTOMETRY; FREQUENCY-SHIFT; RECENT PROGRESS; TEMPERATURE; STRAIN; SENSOR; AMPLIFICATION; BOTDA;

D O I：

10.1364/OPTCON.446952

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The orbital angular momentum (OAM) guiding fiber is used as a sensing element to measure strain and ambient temperature, sensing information simultaneously in a classical BOTDR configuration, due to its higher-order acoustic modes and high stimulated Brillouin threshold. The Brillouin threshold, the Brillouin gain coefficient and the Brillouin gain spectrum (BGS) ofOAMfiber at 1.5 mu mare characterized and demonstrated theoretically and experimentally. Taking advantage of the special acoustic properties of the peaks caused by the hard cladding-core interface in the Brillouin scattering process, the distributed multi-parameter sensing (e.g., strain and/or ambient temperature) is verified over a 1-km OAM guiding fiber, with the respective errors of strain and temperature of 18.2 mu e and 0.93 degrees C, respectively. (c) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement

引用

页码：133 / 142

页数：10

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