A study comparative between Magnetic Field Sensors Based on in-Fiber Fabry-Perot cavity Interferometer and on etched side-hole Fiber

被引：0

作者：

Soares, Larissa M. B. ^{[1
]}

Vargas, Juan D. L. ^{[2
]}

Allil, Regina C. S. B. ^{[1
]}

Dante, Alex ^{[3
]}

Werneck, Marcelo M. ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, Photon & Instrumentat Lab LIF, Elect Engn Program, Rio De Janeiro, Brazil

[2] Univ Fed Rio de Janeiro, Photon & Instrumentat Lab LIF, Nanotechnol Engn Program, Rio De Janeiro, Brazil

[3] Int Iberian Nanotechnol Lab INL, Braga, Portugal

来源：

2022 SBFOTON INTERNATIONAL OPTICS AND PHOTONICS CONFERENCE (SBFOTON IOPC) | 2022年

关键词：

Fabry-Perot interferometers; fiber Bragg grating sensor; magnetic field sensing; Terfenol-D;

D O I：

10.1109/SBFotonIOPC54450.2022.9992474

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：

This paper presents a study comparative between two types of in-fiber Fabry-Perot interferometers (FPI) and a commercial fiber Bragg grating (FBG) for magnetic field sensing. The first FPI sensor (FP1) was manufactured with a 273 mu m section of capillary fiber. The other FPI sensor (FP2) was manufactured by etching the tip of a telecom SMF (germanium-doped) in hydrofluoric acid. The FPI sensors manufactured plus a commercial fiber Bragg grating (FBG), were bonded on a Terfenol-D piece. The results show that the FP2 sensor presented a sensitivity of 2.02 times higher than FP1 and 3.4 times higher than the FBG sensor.

引用

页数：4

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