Magnetic fluid coated mirror polarization maintaining long-period fiber grating vector magnetic field probe

IF 5 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2025-09-26 DOI:10.1016/j.optlastec.2025.113994

Di Tong , Chunbo Su , Liyong Dai , Ze Yu , Vladimir R. Tuz , Tao Geng

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引用次数: 0

Abstract

This article proposes and demonstrates a mirror polarization maintaining long-period fiber grating (MPMF-LPFG) vector magnetic field probe, which not only achieves vector magnetic field measurement, but also operates in reflection mode, providing a more suitable solution for the design of magnetic field sensing probes. The sensor is realized by embedding a bias-preserving fiber into a single-mode fiber with a reflective structure wrapped with a magnetic fluid (MF) for magnetic field measurement. The experimental results show that within the range of 1–10 mT, the maximum magnetic field intensity sensitivity and orientation sensitivity of the sensor are −0.6927 nm/mT and 0.149 nm/°, respectively, and the length of the grating region is only 3.25 mm. In addition, the surfaces of the overall structure remain circularly symmetrical and structural strength is ensured. The sensor proposed in this paper is compact and simple to fabricate and is expected to be used in the field of magnetic field detection.

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磁流体涂层镜面保偏长周期光纤光栅矢量磁场探头

本文提出并演示了一种镜面保偏长周期光纤光栅（MPMF-LPFG）矢量磁场探头，不仅实现了矢量磁场测量，而且工作在反射模式下，为磁场传感探头的设计提供了更合适的解决方案。该传感器通过在单模光纤中嵌入保偏光纤实现，单模光纤的反射结构包裹着磁流体（MF），用于磁场测量。实验结果表明，在1 ~ 10 mT范围内，传感器的最大磁场强度灵敏度和取向灵敏度分别为- 0.6927 nm/mT和0.149 nm/°，光栅区域长度仅为3.25 mm。此外，整体结构的表面保持圆对称，结构强度得到保证。该传感器结构紧凑、制作简单，有望应用于磁场检测领域。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems