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基于n型结构结构的高灵敏纤维SPR应变传感器.

Yong Wei, Puxi Ren, Chunlan Liu

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    |September 29, 2023
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    概括

    这项研究引入了一种新的光纤表面等离子体共振 (SPR) 应变传感器. 拟议的n型结构实现了对应变传感的高灵敏度,在可穿戴设备和航空航天领域有潜在的应用.

    科学领域:

    • 光电学是指光电子产品.
    • 光纤传感传感器是指光纤传感器.
    • 纳米光子学 纳米光子学

    背景情况:

    • 目前的纤维应变传感器主要使用格子或干扰类型.
    • 纤维表面等离子体共振 (SPR) 应变传感器的研究仍然有限.
    • 需要高度敏感和稳定的应变传感技术.

    研究的目的:

    • 提出和演示一个高度灵敏的纤维SPR应变传感器.
    • 为了研究n型纤维结构的应变传感性能.
    • 探索提高传感器灵敏度的方法.

    主要方法:

    • 开发一种使用n型结构的新型纤维SPR应变传感器.
    • 分析应用的应变如何改变纤维的n型结构和光传输模式.
    • 测量SPR冲击角度和共振谷波长由于应变而发生的变化.
    • 制造和测试双n型结构以提高灵敏度.

    主要成果:

    • 单个n型结构纤维SPR应变传感器实现了21.33 pm/με的灵敏度.
    • 连接两个n型结构串联 (双n型) 进一步提高了对33.44 pm/με.的灵敏度.
    • 传感器表现出高灵敏度,低温交叉交谈以及强大的结构稳定性.

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    结论:

    • 拟议的基于n型结构的纤维SPR应变传感器提供了高度灵敏和稳定的传感解决方案.
    • 双n型结构显著提高了应变传感性能.
    • 这项技术对可穿戴智能监控和航空航天应变传感应用具有前景.