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Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers
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分散转变减弱微纤维用于流速传感.

Yaqi Tang1, Chao Wang1, Xuefeng Wang2

  • 1Julong College, Shenzhen Technology University, Shenzhen 518118, China.

Sensors (Basel, Switzerland)
|August 26, 2023
PubMed
概括
此摘要是机器生成的。

我们开发了一种新的光纤模态干扰仪 (MI),使用高衰减光纤 (HAF) 进行空气流传感. 这种集成传感器同时充当干扰仪和热源,实现微流体应用的高灵敏度.

关键词:
气流量计气流量计气流量计分散的转折点是分散的转折点.高衰减纤维的高衰减纤维.光纤传感器是一种光纤传感器.

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科学领域:

  • 光学和光子学 在光学和光子学.
  • 光纤光学是指光纤的使用.
  • 传感器技术 传感器技术

背景情况:

  • 传统的空气流传感器在微流体环境中面临着局限性.
  • 将传感器和加热功能集成到单一设备中是一项挑战.

研究的目的:

  • 展示一款用于空气流传感的新型光纤模态干扰仪 (MI).
  • 为了利用高衰减纤维 (HAF) 实现集成的加热和传感能力.
  • 在紧的空间中实现高灵敏度的空气流量测量.

主要方法:

  • 在HAF上使用弧度放电和火焰逐渐缩小的MI制造.
  • 将纤维直径减少到大约2微米,以观察分散转折点 (DTP).
  • 使用激光器通过吸收诱导HAF的温度升高.

主要成果:

  • 开发的传感器在1.0m/s时表现出2.69nm/m/s的高空气流感.
  • 传输频谱中的DTP对环境温度变化具有很高的敏感性.
  • 集成的热源和热敏性质使有效的空气流检测成为可能.

结论:

  • 拟议的基于HAF的MI是用于紧和高度灵敏的空气流传感的有希望的平台.
  • 传感器显示了微流体通道中低流量测量的潜力.
  • 通过优化传感器设计和功率,可以进一步提高灵敏度.