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.
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页数：4
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