Han Shufei, Pu Shengli, Hao Zijian, Zhang Chencheng, Liu Weinan, Duan Simiao, Fu Jiaqi, Wu Mingjue, Mi Peiwen, Zeng Xianglong, Lahoubi Mahieddine
Opt Lett. 2023 Sep 1;48(17):4504-4507. doi: 10.1364/OL.499780.
A novel, to the best of our knowledge, vector magnetic field sensor with temperature compensation is proposed and investigated. The proposed sensor is realized by side polishing a multi-mode optical fiber and adopting the surface plasmon resonance (SPR) effect. The side-polished surface is coated with a magnetic fluid (MF) and polydimethylsiloxane (PDMS) successively along the fiber axis. The as-fabricated sensor can be used not only for magnetic field strength and direction sensing, but also for temperature detection. The achieved magnetic field intensity sensitivities are 1720 pm/mT (90° direction) and -710 pm/mT (0° direction), and the temperature sensitivity is -2070 pm/°C. On top of its temperature compensation ability, the easy fabrication and very high sensitivity of the proposed sensor are attractive features for vector magnetic field sensing applications.
据我们所知，本文提出并研究了一种新型的具有温度补偿功能的矢量磁场传感器。该传感器通过对多模光纤进行侧面抛光并采用表面等离子体共振（SPR）效应来实现。沿光纤轴依次在侧面抛光表面涂覆磁流体（MF）和聚二甲基硅氧烷（PDMS）。所制备的传感器不仅可用于磁场强度和方向传感，还可用于温度检测。所实现的磁场强度灵敏度分别为1720 pm/mT（90°方向）和-710 pm/mT（0°方向），温度灵敏度为-2070 pm/°C。除了具有温度补偿能力外，该传感器易于制造且灵敏度极高，这些特性使其在矢量磁场传感应用中颇具吸引力。
