涂有 PEG 和 PVP 混合物的多模梯度指数光纤作为湿度传感器

IF 3 Q3 Physics and Astronomy Results in Optics Pub Date : 2024-07-01 Epub Date: 2024-05-20 DOI:10.1016/j.rio.2024.100697

M. Mezel , M.B. Alsous , B. Abbas , K. Aljoumaa , B. Assfour , N. Mousa , I. Assaad

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引用次数: 0

摘要

本研究提出了一种新型湿度传感器，它基于涂有聚乙烯吡咯烷酮（PVP）和聚乙二醇（PEG）的多模分级索引非包层光纤。在合成过程中，对光纤直径进行了光学控制，从而提高了重复性。在 65-95% RH 的湿度范围内，灵敏度为 0.219 微瓦/相对湿度百分比 (µW/%RH)，相当于 0.212 分贝/相对湿度 (dB/RH)。响应时间为 0.02 秒/相对湿度百分比（s/%RH），显示了快速检测能力。因此，该传感器可用于呼吸监测。新传感器的滞后较低，重复性和线性度良好。

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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Multimode gradient-index fiber coated with a blend of PEG and PVP as a humidity sensor

A novel humidity sensor based on a multimode graded index unclad fiber optic coated with polyvinylpyrrolidone (PVP) and polyethylene glycol (PEG) was proposed. During synthesis process, the fiber diameter underwent optical control resulting in an enhanced repeatability. The achieved sensitivity was found to be 0.219 microwatts per relative humidity percent (µW/%RH), equivalent to 0.212 dB per relative humidity (dB/RH) within a humidity range of 65–95% RH. The response time was 0.02 s per relative humidity percent (s/%RH), indicating rapid detection capabilities. Therefore, this sensor could be used for respiration monitoring. The new sensor has low hysteresis and good repeatability and linearity.

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