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首页> 外文期刊>Optical fiber technology >Bare fiber adapter based Fabry-Perot interferometer for microfluidic velocity measurement
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Bare fiber adapter based Fabry-Perot interferometer for microfluidic velocity measurement

机译：基于裸光纤适配器的Fabry-Perot干涉仪，用于微流速度测量

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摘要

A fiber microfluidic velocity sensor based on a bare fiber adapter (BFA) was proposed and demonstrated. Ceramic end face in BFA was covered by polyethylene (PE) film, in which the inserted single mode fiber (SMF) can be moved freely. The end face of the SMF and the PE film composed a Fabry-Perot (F-P) construction. Due to PE film sustaining different press with different microfluidic velocity, the F-P cavity length was changed. The velocity can be measured by monitoring the reflection spectrum. In our experiment, three cavity lengths were measured. The experimental results showed that the achieved maximum sensitivity to microfluidic velocity is 0.048 dB/(mu L/min) or 0.0059 nm/(mu L/min). Also, responses of PE film thickness and microfluidic concentration to the proposed sensor have been measured in the experiment. The sensor can be used for low velocity with high sensitivity, especially in micro-channels such as biological blood vessels.
机译：提出并演示了一种基于裸光纤适配器（BFA）的光纤微流速度传感器。 BFA中的陶瓷端面覆盖有聚乙烯（PE）膜，插入的单模光纤（SMF）可以在其中自由移动。 SMF和PE膜的端面由Fabry-Perot（F-P）结构组成。由于PE膜以不同的微流体速度承受着不同的压力，因此改变了F-P腔的长度。可以通过监视反射光谱来测量速度。在我们的实验中，测量了三个腔的长度。实验结果表明，所获得的对微流体速度的最大灵敏度为0.048 dB /（μL / min）或0.0059 nm /（μL / min）。此外，在实验中还测量了PE膜厚度和微流体浓度对拟议传感器的响应。该传感器可以高灵敏度用于低速，特别是在微通道（例如生物血管）中。

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  • 来源
    《Optical fiber technology》 |2019年第7期|71-75|共5页
  • 作者

    Hou Dewen; Kang Juan; Wang Lin; Zhang Qian; Zhao Yu; Zhao ChunLiu;

  • 作者单位

    China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Zhejiang, Peoples R China;

    China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Zhejiang, Peoples R China;

    Hangzhou Photog Machinery Res Inst, Hangzhou 310013, Zhejiang, Peoples R China;

    China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Zhejiang, Peoples R China;

    China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Zhejiang, Peoples R China;

    China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Zhejiang, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Microfluidic velocity; F-P interferometer; PE film; Optical fiber sensor;

    机译：微流速度F-P干涉仪PE膜光纤传感器;

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