Highly Time-Resolved All-Fiber Sensor for Real-Time Carbon Monoxide Detection and Microleakage Diagnosis

IF 4.3 2区综合性期刊 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Sensors Journal Pub Date : 2025-03-12 DOI:10.1109/JSEN.2025.3546697

Kaiyu Chai;Yipeng Zheng;Bo Hu;Zihao Zhou;Kaili Ren;Dongdong Han;Lipeng Zhu;Yongkai Wang;Lei Liang

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引用次数: 0

Abstract

The detection of carbon monoxide (CO) is of paramount importance for environmental monitoring, industrial safety, and public health. This study presents an all-fiber gas concentration monitoring technique based on tunable diode laser absorption spectroscopy (TDLAS), offering low gas consumption, high time resolution, high stability, and high precision. A 1-m-long negative curvature anti-resonant hollow core fiber (HCF) with a core diameter of

$110~\mu $

m is used for both gas containment and optical transmission. Experimental and theoretical simulations confirm that the response time of the system reaches 1.27 s at an overpressure of 98 kPa. Furthermore, the system achieves a relative standard deviation (RSD) of less than 2.5% and a minimum detection limit (MDL) of 0.220 ppm under optimal overpressure conditions. In addition, a spatial-resolved scanning imaging is demonstrated for the CO concentration distribution of 190-

$\mu $

m leakage point, enabling clear identification of the topographical features. This technology has potential in the fields of environmental monitoring, industrial safety, and public health.

查看原文本刊更多论文

用于一氧化碳实时检测和微泄漏诊断的高时间分辨全光纤传感器

一氧化碳（CO）的检测对环境监测、工业安全和公众健康至关重要。本研究提出一种基于可调谐二极管激光吸收光谱（TDLAS）的全光纤气体浓度监测技术，具有低气体消耗、高时间分辨率、高稳定性和高精度的特点。采用1 m长负曲率抗谐振空芯光纤（HCF），芯径为$110~\mu $ m，用于容气和光传输。实验和理论仿真均证实，在超压为98 kPa时，系统的响应时间达到1.27 s。此外，在最佳超压条件下，该系统的相对标准偏差（RSD）小于2.5%，最小检测限（MDL）为0.220 ppm。此外，还展示了190- $\mu $ m泄漏点CO浓度分布的空间分辨扫描成像，能够清晰地识别地形特征。该技术在环境监测、工业安全和公共卫生领域具有潜力。

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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来源期刊

IEEE Sensors Journal 工程技术-工程：电子与电气

CiteScore

7.70

自引率

14.00%

发文量

2058

审稿时长

5.2 months

期刊介绍： The fields of interest of the IEEE Sensors Journal are the theory, design , fabrication, manufacturing and applications of devices for sensing and transducing physical, chemical and biological phenomena, with emphasis on the electronics and physics aspect of sensors and integrated sensors-actuators. IEEE Sensors Journal deals with the following: -Sensor Phenomenology, Modelling, and Evaluation -Sensor Materials, Processing, and Fabrication -Chemical and Gas Sensors -Microfluidics and Biosensors -Optical Sensors -Physical Sensors: Temperature, Mechanical, Magnetic, and others -Acoustic and Ultrasonic Sensors -Sensor Packaging -Sensor Networks -Sensor Applications -Sensor Systems: Signals, Processing, and Interfaces -Actuators and Sensor Power Systems -Sensor Signal Processing for high precision and stability (amplification, filtering, linearization, modulation/demodulation) and under harsh conditions (EMC, radiation, humidity, temperature); energy consumption/harvesting -Sensor Data Processing (soft computing with sensor data, e.g., pattern recognition, machine learning, evolutionary computation; sensor data fusion, processing of wave e.g., electromagnetic and acoustic; and non-wave, e.g., chemical, gravity, particle, thermal, radiative and non-radiative sensor data, detection, estimation and classification based on sensor data) -Sensors in Industrial Practice