一个基于磁流填充光子晶体纤维的方向合的磁场传感器
Yingchao Liu1, Lijun Zhang1, Shuang Ren1
1Key Laboratory of Industrial Intelligent Perception, School of Artificial Intelligence, North China University of Science and Technology, Tangshan 063210, China.
Materials (Basel, Switzerland)
|September 9, 2023
概括
一种新的充满磁流体的双核光子晶纤 (DC-PCF) 传感器显示了对磁场检测的高灵敏度. 这种紧型传感器对医疗和工业应用具有很大的前景.
科学领域:
- 光子学是指光子学的使用方法.
- 传感器技术 传感器技术
- 材料科学 材料科学 材料科学
背景情况:
- 双核光子晶体纤维 (DC-PCF) 具有独特的光操纵性能.
- 磁流体在应对外部磁场时表现出可调节的光学特性.
- 开发敏感和紧的磁场传感器对于各种应用至关重要.
研究的目的:
- 引入和研究一种新的双核光子晶纤 (DC-PCF) 传感器.
- 探索磁流体用于可调光学传感的使用.
- 为了评估传感器对磁场检测的性能.
主要方法:
- 用有限元法 (FEM) 模拟用于传感器设计和分析.
- 设计了一个DC-PCF结构,磁性流体填充了间隙孔.
- 模拟了外部磁场对磁流体折射率的影响及其对光合的影响.
主要成果:
- 在入波长和磁场强度 (80-260 Oe) 之间观察到强烈的线性关系.
- 传感器实现了515.75 pm/OE的高磁场检测灵敏度.
- 充满磁流体的孔被用于调制,而不是能量传输,最大限度地减少损失.
结论:
- 开发的充满磁流体的DC-PCF传感器具有很高的灵敏度和很小的足迹.
- 传感器的设计有效地利用了磁流体可调节的折射率.
- 这项技术在医学和工业领域对磁场传感具有重大潜力.
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