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基于高分辨率和灵敏度的交叉合方法的位移传感器使用聚合物光纤光学纤维.

Abdul Ghaffar, Mujahid Mehdi, Rehan Mehdi

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    |December 19, 2025
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    概括

    这项研究引入了一种新的聚合物光纤位移传感器. 它实现了高灵敏度和分辨率的20mm范围,为监控应用提供了具有成本效益的解决方案.

    科学领域:

    • 光子学 是一个光子学.
    • 材料科学 材料科学 材料科学
    • 传感器技术 传感器技术

    背景情况:

    • 传统的位移传感器面临着分辨率,灵敏度和测量范围之间的权衡.
    • 增加测量范围往往会影响传感器的分辨率和灵敏度.

    研究的目的:

    • 开发一种使用螺旋结构聚合物光纤的新型位移传感器.
    • 通过提高灵敏度和测量范围来克服传统传感器的局限性.

    主要方法:

    • 一个基于强度调制的传感器设计,通过螺旋聚合物光纤中的曲诱导合.
    • 使用两段系统:用于辐射损失的初级螺旋纤维和用于光电合的二级纤维.
    • 使用定制的3D打印平台进行精确的对齐和控制的轴向运动.

    主要成果:

    • 实现了高达20mm的位移测量范围.
    • 证明了高灵敏度 (3.26μW/mm) 和分辨率 (30.67nm).
    • 在测量范围内表现出极好的重复性和稳定的响应.

    结论:

    • 拟议的螺旋聚合物光纤传感器提供了一个紧的,具有成本效益和灵活的解决方案.

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  • 它有效地解决了传统位移传感器的局限性.
  • 适合在各种应用中进行分布式位移监控.