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相关实验视频

Updated: May 10, 2025

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
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A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

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基于由多模干扰诱导的马赫-泽恩德干扰仪的光纤甲传感器.

Fuling Yang1, Sicheng Zong1, Xinghan Li1

  • 1School of Mechanical and Electrical Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China.

Micromachines
|April 26, 2025
PubMed
概括

一种新型的光学甲传感器采用了一种覆盖着热立体伊米达酸框架-8/聚甲基 (ZIF-8/PDMS) 薄膜的多模干扰纤维,用于增强甲检测. 该传感器表现出高灵敏度和低检测极限,为实际的甲监测应用提供了潜力.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 光学工程是指光学工程.
  • 化学传感器 化学传感器

背景情况:

  • 准确的甲检测对于安全和环境监测至关重要.
  • 现有的甲传感器在灵敏度,选择性和响应时间方面面临挑战.
  • 光纤传感器提供诸如遥感和对电磁干扰的免疫等优势.

研究的目的:

  • 设计和制造一种基于多模干扰纤维的新型甲传感器.
  • 为了研究一种以热性伊米达酸框架-8/聚甲基素 (ZIF-8/PDMS) 复合薄膜用于甲检测的传感性能.
  • 分析影响传感器灵敏度的因素并优化其参数.

主要方法:

  • 通过将ZIF-8/PDMS薄膜涂在直径薄的SMF上,制造一种对甲敏感的单模纤维 (MS-SMF).
  • 基于多模干扰的干扰仪的设计和建模.
  • 在甲传感器平台上对各种度 (0-4%) 的制造传感器进行实验测试.

主要成果:

  • 优化的传感器在甲检测方面获得了2.364nm/%的灵敏度.
  • 检测极限被确定为大约338 ppm.
  • 传感器的平均响应时间为30秒,恢复时间为45秒,低温灵敏度为0.026 nm/°C.
关键词:
马克·泽恩德干扰仪的干扰仪.甲传感器是一个甲传感器.多模干扰干扰多模干扰有光纤的光学纤维.

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相关实验视频

Last Updated: May 10, 2025

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结论:

  • 开发的光学甲传感器展示了高性能,并验证了拟议的传感器模型.
  • ZIF-8/PDMS复合膜显示了敏感和选择性甲检测的巨大潜力.
  • 这项研究为光学甲传感器提供了一个有前途的新设计,具有广泛的应用前景.