Reflective magnetic field and temperature dual-parameter sensor based on no-core fiber probe

被引：22

作者：

Fu, Jiaqi ^{[1
]}

Pu, Shengli ^{[1
,2
,3
]}

Hao, Zijian ^{[1
]}

Zhang, Chencheng ^{[1
]}

Liu, Weinan ^{[1
]}

Duan, Simiao ^{[1
]}

Han, Shufei ^{[1
]}

机构：

[1] Univ Shanghai Sci & Technol, Coll Sci, Shanghai 200093, Peoples R China

[2] Univ Shanghai Sci & Technol, Shanghai Key Lab Modern Opt Syst, Shanghai 200093, Peoples R China

[3] Aalto Univ, Dept Elect & Nanoengn, Espoo 02150, Finland

来源：

OPTICS AND LASER TECHNOLOGY | 2024年 / 174卷

基金：

上海市自然科学基金; 中国国家自然科学基金;

关键词：

Surface plasmon resonance; Magnetic field sensor; Temperature sensor; Magnetic fluid; Polydimethylsiloxane; Dual -parameter sensor; SURFACE-PLASMON RESONANCE; SENSITIVITY; SPR;

D O I：

10.1016/j.optlastec.2024.110550

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A kind of reflection-type magnetic field and temperature dual-parameter sensor based on surface plasmon resonance (SPR) effect was proposed and investigated. The sensing probe was fabricated with a section of no-core fiber, which was evenly divided into two parts. One part was immersed in magnetic fluid (MF) for magnetic field sensing (Channel 1, referred as CH1). The other part was coated with polydimethylsiloxane (PDMS) for temperature sensing (Channel 2, referred as CH2). The issue of magnetic field and temperature cross-sensitivity was resolved ingeniously. In the magnetic field intensity range of 0-55.1 mT, the maximum magnetic field sensitivity of 122.67 pm/mT was obtained. In the temperature range of 30-70 degree celsius, the maximum temperature sensitivity was 1662.64 pm/C. The sensor has the advantages of simple structure, small size, and potentials for applications in narrow space.

引用

页数：5

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