Ampere force fiber optic magnetic field sensor using a Fabry-Perot interferometer

被引：4

作者：

Chen, Peijing ^{[1
]}

Hong, Guiqing ^{[1
]}

Liu, Shen ^{[1
,2
,3
]}

Zhong, Junlan ^{[1
,3
]}

Ding, Wei ^{[2
,3
]}

Luo, Junxian ^{[1
]}

Yan, Wenqi ^{[2
,3
]}

Xiao, Hang ^{[1
,2
]}

Wang, Yiping ^{[1
,2
,3
]}

机构：

[1] Shenzhen Univ, Guangdong & Hong Kong Joint Res Ctr Opt Fibre Sens, Shenzhen Key Lab Photon Devices & Sensing Syst Int, State Key Lab Radio Frequency Heterogeneous Integr, Shenzhen 518060, Peoples R China

[2] Shenzhen Univ, Coll Phys & Optoelect Engn, Shenzhen Key Lab Ultrafast Laser Micro Nano Mfg, Key Lab Optoelect Devices & Syst,Minist Educ Guang, Shenzhen 518060, Peoples R China

[3] Guangdong Lab Artificial Intelligence & Digital Ec, Shenzhen 518107, Peoples R China

来源：

OPTICS EXPRESS | 2023年 / 31卷 / 11期

基金：

中国国家自然科学基金;

关键词：

FARADAY-ROTATION; GRAPHENE;

D O I：

10.1364/OE.491629

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The paper presents a novel fiber-optic vector magnetic field sensor using a FabryPerot interferometer, which consists of an optical fiber end face and a graphene/Au membrane suspended on the ceramic ferrule end face. A pair of gold electrodes are fabricated on the ceramic ferrule by femtosecond laser to transmit electrical current to the membrane. Ampere force is generated when an electrical current flows through the membrane in a perpendicular magnetic field. The change in Ampere force causes a shift in the resonance wavelength in the spectrum. In the magnetic field intensity range of 0 & SIM;180 mT and 0 & SIM;-180 mT, the as-fabricated sensor exhibits magnetic field sensitivity of 5.71 pm/mT and 8.07 pm/mT. The proposed sensor has great potential application in weak magnetic field measurements due to its compact structure, cost-effectiveness, ease to manufacture, and good sensing performance.

引用

页码：18693 / 18701

页数：9

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