Hybrid Raman/fiber Bragg grating sensor for distributed temperature and discrete dynamic strain measurements

被引：15

作者：

Toccafondo, Iacopo ^{[1
]}

Taki, Mohammad ^{[1
]}

Signorini, Alessandro ^{[1
]}

Zaidi, Farhan ^{[1
]}

Nannipieri, Tiziano ^{[1
]}

Faralli, Stefano ^{[1
]}

Di Pasquale, Fabrizio ^{[1
]}

机构：

[1] Scuola Super Sant Anna, I-56124 Pisa, Italy

来源：

OPTICS LETTERS | 2012年 / 37卷 / 21期

关键词：

D O I：

10.1364/OL.37.004434

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and experimentally demonstrate a hybrid fiber optic sensing technique that effectively combines Raman optical time domain reflectometry and in-line time-division-multiplexing for fiber Bragg grating (FBG) dynamic interrogation. The highly integrated proposed scheme employs broadband apodized low reflectivity FBGs with a single narrowband optical source and a shared receiver block, allowing for simultaneous measurements of distributed static temperature and discrete dynamic strain, over the same sensing fiber. (C) 2012 Optical Society of America

引用

页码：4434 / 4436

页数：3

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