在单模光纤尖端采用GO-PDMS-AuNPs堆叠材料的超低成本超局部热点温度传感器

IF 5.2 2区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Measurement Pub Date : 2025-04-14 DOI:10.1016/j.measurement.2025.117475

Peng Gao, Yibo Cao, Xiuyan Chen, Yuting Zhou, Hongbo Wang, Zhiyuan Wang

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引用次数: 0

摘要

目前，在商用光纤温度传感器中，用于单点测温的光纤布拉格光栅传感器、基于荧光的传感器和基于半导体吸收的传感器分别存在温度-应变交叉灵敏度、空间分辨率有限、与光纤通信网络不兼容、传输距离短、成本高等问题。因此，本文提出了一种创新的解决方案。该传感器基于双光束干涉原理。使用PDMS作为温度敏感材料，将GO-PDMS-AuNPs层压复合薄膜集成在单模光纤跳线的FC/UPC陶瓷插圈的端面上以测量温度。实验表明，该传感器在PDMS与稀释剂的不同配比和旋涂参数下均表现出优异的性能。例如，当PDMS与稀释剂的比例为9:1，自旋镀膜速度为1500 rpm时，在40.5℃~ 43℃的温度范围内，灵敏度达到158.90 pm/°C，线性度为0.99242。在45.5℃~ 48℃范围内，灵敏度为198.99 pm/℃，线性度为0.99797。温度检测分辨率为0.05℃，响应时间约为30 s。该传感器具有应力免疫、与光纤通信网络兼容、即插即用、空间分辨率高、易于批量生产等特点。适用于多领域的局部热点温度测量。它具有解调方便、成本低等优点，有望成为下一代商用光纤温度传感器的有力候选者。

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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A super-low-cost and ultra-localized hotspots temperature sensor with GO-PDMS-AuNPs stacked material on the tip of single-mode fiber

Currently, among commercial optical fiber temperature sensors, fiber Bragg grating sensors, fluorescence-based sensors, and semiconductor absorption-based sensors used for single-point temperature measurement respectively have problems such as temperature-strain cross-sensitivity, limited spatial resolution, incompatibility with fiber optic communication networks, short transmission distances, and high costs.

Therefore, this paper proposes an innovative solution. This sensor is based on the principle of two − beam interference. Using PDMS as the temperature sensitive material, a GO-PDMS-AuNPs laminated composite film is integrated on the end face of the FC/UPC ceramic ferrule of a single − mode fiber optic patch cord to measure temperature. Experiments show that the sensor exhibits excellent performance under different ratios of PDMS to the diluent and spin-coating parameters. For example, when the ratio of PDMS to the diluent is 9:1 and the spin − coating speed is 1500 rpm, the sensitivity reaches 158.90 pm/°C in the temperature range of 40.5 °C − 43 °C, with a linearity of 0.99242. In the range of 45.5 °C − 48 °C, the sensitivity is 198.99 pm/°C, with a linearity of 0.99797. The temperature detection resolution is 0.05 °C, and the response time is approximately 30 s.

This sensor is stress-immune, compatible with fiber optic communication networks, plug-and-play, has high spatial resolution, and is easy to manufacture in batches. It is suitable for local hotspot temperature measurement in multiple fields. It is convenient to demodulate and has a low cost, and is expected to be a strong candidate for the next generation of commercial optical fiber temperature sensors.

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来源期刊

Measurement 工程技术-工程：综合

CiteScore

10.20

自引率

12.50%

发文量

1589

审稿时长

12.1 months

期刊介绍： Contributions are invited on novel achievements in all fields of measurement and instrumentation science and technology. Authors are encouraged to submit novel material, whose ultimate goal is an advancement in the state of the art of: measurement and metrology fundamentals, sensors, measurement instruments, measurement and estimation techniques, measurement data processing and fusion algorithms, evaluation procedures and methodologies for plants and industrial processes, performance analysis of systems, processes and algorithms, mathematical models for measurement-oriented purposes, distributed measurement systems in a connected world.