基于表面等离子共振的光纤尖端集成式高灵敏度折射率和高精度液位传感器

IF 1 4区材料科学 Q4 INSTRUMENTS & INSTRUMENTATION

Sensors and Materials Pub Date : 2024-04-09 DOI:10.18494/sam4832

Guibin Yuan, Shufei Han, Min Yuan, Xinjun Huang, Shengli Pu

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引用次数: 0

摘要

通过将锥形无芯光纤（NCF）与一段多模光纤融合，提出了一种基于多模无芯光纤尖端的高灵敏度和高精度折射率（RI）和液位传感方案，并进行了实验演示。在锥形无芯光纤均匀腰部区域的侧表面镀了一层金膜，以激发表面等离子共振。制作完成的传感器在 1.34 至 1.38 和 1.39 至 1.41 的 RI 范围内分别达到了 16500 和 24000 nm/RIU（折射率单位）的 RI 灵敏度。同时还实现了 0.1 至 2.0 毫米范围内的高精度液位传感。这项工作中设计的传感结构简单易用，是高灵敏度和高精度传感应用的理想选择。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fiber-tip-integrated High-sensitivity Refractive Index and High-precision Liquid Level Sensor Based on Surface Plasmon Resonance

A refractive index (RI) and liquid level sensing scheme based on a multimode-no-core fiber tip with high sensitivity and precision is proposed and experimentally demonstrated by fusing a tapered no-core fiber (NCF) with a segment of multimode fiber. A gold film is plated on the side surface of the uniform waist region of the tapered NCF to stimulate surface plasmon resonance. The as-fabricated sensor achieves RI sensitivities of 16500 and 24000 nm/RIU (refractive index unit) in the RI ranges of 1.34 to 1.38 and 1.39 to 1.41, respectively. High-precision liquid level sensing with a range from 0.1 to 2.0 mm is obtained simultaneously. The designed sensing structure in this work offers simplicity and ease of implementation, which makes it a promising option for high-sensitivity and high-precision sensing applications.

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来源期刊

Sensors and Materials 工程技术-材料科学：综合

CiteScore

2.00

自引率

33.30%

发文量

294

审稿时长

3 months

期刊介绍： Sensors and Materials is designed to provide a forum for people working in the multidisciplinary fields of sensing technology, and publishes contributions describing original work in the experimental and theoretical fields, aimed at understanding sensing technology, related materials, associated phenomena, and applied systems. Expository review papers and short notes are also acceptable.