Magnetic Field Sensor Based on Backscattered Intensity Using Ferrofluid

被引：12

作者：

Candiani, Alessandro ^{[1
]}

Bravo, Mikel ^{[2
]}

Pissadakis, Stavros ^{[3
]}

Cucinotta, Annamaria ^{[1
]}

Lopez-Amo, Manuel ^{[2
]}

Selleri, Stefano ^{[1
]}

机构：

[1] Univ Parma, Dept Informat Engn, I-43124 Parma, Italy

[2] Univ Publ Navarra, Dept Ingn Elect & Elect, Pamplona 31006, Spain

[3] Fdn Res & Technol Hellas FO RTH, IESL, Iraklion 70013, Greece

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2013年 / 25卷 / 15期

关键词：

Optical fiber; magnetic devices; ferromagnetic materials; multiplexing;

D O I：

10.1109/LPT.2013.2267812

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A magnetic field sensor based on backscattered intensity of a single mode fiber immersed in a ferrofluid is experimentally demonstrated. An OTDR system is used to interrogate the reflected power at the fiber end face, revealing >2 dB of modulation for magnetic field changes up to 1525 Gauss. The sensor shows the same response when used in remote and multiplexed configurations, demonstrating the high potential and versatility of this sensing approach.

引用

页码：1481 / 1484

页数：4

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