紧的,远程光学波导磁场传感使用双通法拉第旋转诱导的光学衰减双通法拉第旋转
Applied optics
|June 10, 2024
概括
这项研究引入了用于磁场检测的紧光纤传感器. 它实现了高灵敏度和分辨率,使远程传感应用成为可能.
科学领域:
- 光电学是指光电子产品.
- 光纤光学是指光纤的使用.
- 磁力学测量是一种磁力学测量.
背景情况:
- 磁场传感对于各种应用至关重要.
- 现有的方法可能缺乏紧性或遥感能力.
- 光纤传感器为强大和小型化的解决方案提供了潜力.
研究的目的:
- 提出并演示使用光纤技术的紧磁场传感器.
- 在磁场测量中实现高灵敏度和分辨率.
- 通过互联网连接实现远程传感能力.
主要方法:
- 使用了带有法拉第旋转元件和光束位移晶体的微光纤循环器.
- 包含光纤反射器和铁磁铁,用于高对比度减弱.
- 采用双通配置与金色镜子用于增强灵敏度.
主要成果:
- 实现了磁场灵敏度为 (0.26±0.02) dB/mT.
- 在0-89mT的检测范围内,证明了0.01mT的磁场分辨率.
- 在 λ=1550 nm 测量低光学噪声.
结论:
- 开发的传感器是紧的,敏感的,适合用于磁场检测.
- 纤维循环平台允许通过互联网连接进行远程传感.
- 该技术可适应多传感器集成和未来光学电路.
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