Multi-parameter distributed fiber sensing with higher-order optical and acoustic modes

被引：21

作者：

Fang, Jian ^{[1
,2
,4
]}

Milione, Giovanni ^{[1
]}

Stone, Jeffery ^{[3
]}

Peng, Gaozhu ^{[3
]}

Li, Ming-Jun ^{[3
]}

Ip, Ezra ^{[1
]}

Li, Yaowen ^{[1
]}

Ji, Philip N. ^{[1
]}

Huang, Yue-Kai ^{[1
]}

Huang, Ming-Fang ^{[1
]}

Murakami, Shuji ^{[1
]}

Shieh, William ^{[2
]}

Wang, Ting ^{[1
]}

机构：

[1] NEC Labs Amer Inc, Princeton, NJ 08540 USA

[2] Univ Melbourne, Dept Elect & Elect Engn, Parkville, Vic 3010, Australia

[3] Corning Inc, One Riverfront Plaza, Corning, NY 14831 USA

[4] Univ South Australia, Mawson Lakes, SA 5095, Australia

来源：

OPTICS LETTERS | 2019年 / 44卷 / 05期

基金：

澳大利亚研究理事会;

关键词：

STIMULATED BRILLOUIN-SCATTERING; TIME-DOMAIN REFLECTOMETRY; ELLIPTIC-CORE; SIMULTANEOUS TEMPERATURE; SIMULTANEOUS STRAIN; FREQUENCY-SHIFT; SENSOR; ERROR; DISCRIMINATION;

D O I：

10.1364/OL.44.001096

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a novel multi-parameter sensing technique based on a Brillouin optical time domain reflectometry in the elliptical-core few-mode fiber, using higher-order optical and acoustic modes. Multiple Brillouin peaks are observed for the backscattering of both the LP01 mode and LP11 mode. We characterize the temperature and strain coefficients for various optical-acoustic mode pairs. By selecting the proper combination of modes pairs, the performance of multi-parameter sensing can be optimized. Distributed sensing of temperature and strain is demonstrated over a 0.5-km elliptical-core few-mode fiber, with the discriminative uncertainty of 0.28 degrees C and 5.81 mu e for temperature and strain, respectively. (C) 2019 Optical Society of America

引用

页码：1096 / 1099

页数：4

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