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A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
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增加分辨率的光纤应变传感器具有大动态范围,由白光驱动.

Biying Zhou, Wenrui Wang, Xueqian Bai

    Optics letters
    |February 15, 2024
    PubMed
    概括

    本研究引入了一种使用宽带光源和Fabry-Perot腔的新型光纤传感器,以克服波长分割复合 (WDM) 传感阵列的白光干扰计中的噪声限制.

    科学领域:

    • 光电学是指光电子产品.
    • 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:

    • 白光干涉测量为波长分割多重复合 (WDM) 提供了优势,但受到高噪声层的影响,限制了实际应用.
    • 现有的WDM传感系统需要增强的应变分辨率和动态范围以提高性能.

    研究的目的:

    • 提出和演示一种新的光纤传感器系统,以提高WDM应用的应变分辨率和动态范围.
    • 为了解决传统白光干扰仪中高噪音地板的局限性.

    主要方法:

    • 使用光纤Fabry-Perot腔和一个参考干扰仪.
    • 使用宽带光源来驱动光纤传感器.
    • 对拟议的传感器系统性能进行实验验证.

    主要成果:

    • 在1.5kHz的5.86米共振传感器中,实现了18.5fa/√Hz的应变分辨率.
    • 在1kHz时显示的最大可检测信号超过230rad.
    • 验证了传感器对于具有大动态范围的WDM传感阵列的能力.

    结论:

    • 拟议的光纤传感器为WDM传感阵列提供了低成本,高性能的解决方案.

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  • 与传统的白光干扰仪相比,这种方法显著提高了应变分辨率和动态范围.
  • 为实用WDM传感应用提供了一种新的方法,提高了灵敏度和稳定性.