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相关实验视频

Updated: Jun 16, 2025

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高灵敏的光纤倾斜计使用聚合物波导嵌入式干扰度传感器.

Chuanyang Huang, Hongdong Chen, Caner Cheng

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    |June 14, 2025
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    此摘要是机器生成的。

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    这项研究引入了一种新的光纤倾斜传感器,用于精确的倾斜测量. 传感器表现出高灵敏度和稳定性,适用于监测结构中的微变形.

    科学领域:

    • 光子学和光学传感器
    • 光纤传感器 光纤传感器
    • 干涉测量是干涉测量的方法.

    背景情况:

    • 倾斜传感器对于结构健康监测至关重要.
    • 现有的光纤传感器在灵敏度和环境稳定性方面面临挑战.

    研究的目的:

    • 提出和研究一个高度灵敏的光纤倾斜传感器.
    • 分析光聚合物波导对传感器性能的影响.
    • 为了实现精确的微变形监测.

    主要方法:

    • 制造一个单模式-少数模式-单模式 (SMF-FMF-SMF) 纤维结构.
    • 嵌入一个圆形光聚合波导 (EPW) 作为传感元件.
    • 使用模拟和实验分析来研究传输频谱和灵敏度.

    主要成果:

    • 在4.4°至11.4°范围内达到4.43dB/度的倾斜灵敏度.
    • 在边缘对比度和倾斜角度 (0°至11.4°) 之间建立了一个对应的对应,误差为<3%.
    • 在复杂的环境中表现出低温交叉声和稳定性.

    结论:

    • 拟议的光纤倾斜传感器提供高灵敏度和精度.

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  • EPW结构提高了传感器的性能和稳定性.
  • 该传感器适用于工程结构中的微变形监测.