Embedded Random Fiber Laser Sensor for In Situ AE Monitoring Inside Buoyancy Material

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

IEEE Sensors Journal Pub Date : 2023-08-30 DOI:10.1109/JSEN.2023.3308578

Bing Lv;Meng Tian;Wentao Zhang;Kaiqi Yan;Wenzhu Huang;Fang Li;Yongqian Li

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引用次数: 0

Abstract

The embedded high-resolution random fiber laser acoustic emission (RFL-AE) sensor for in situ monitoring of buoyancy material is demonstrated. Our proposed embedded RFL-AE sensor can directly couple inside the solid buoyant materials (SBMs) and be expected to detect different AE signals mechanism of SBM without any medium. The randomly chirped grating array (RCGA) provides effective random distributed feedback (DFB) and is embedded inside the SBM to act as an AE sensing element. Many steep peaks can be provided by the multiple-interfering reflection spectrum of RCGA over a broad spectral range, which significantly suppresses chirping phenomenon caused by the thermal stress of SBM and realizes in situ performance monitoring of buoyant materials under high pressure. The test results show that our proposed RFL-AE sensor is highly responsive to continuous and burst AE signals of SBM. The measured resolution of AE signal is 215

$\text{f}\varepsilon /\surd $

Hz, which provides a potential embedded laser AE monitoring scheme for damage detection of SBM-associated composite material.

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用于浮力材料内部声发射原位监测的嵌入式随机光纤激光传感器

介绍了一种用于浮力材料原位监测的嵌入式高分辨率随机光纤激光声发射（RFL-AE）传感器。我们提出的嵌入式RFL-AE传感器可以直接耦合在固体浮力材料（SBM）内部，并有望在没有任何介质的情况下检测SBM的不同AE信号机制。随机啁啾光栅阵列（RCGA）提供有效的随机分布反馈（DFB），并嵌入SBM内部，用作AE传感元件。RCGA在宽光谱范围内的多重干涉反射光谱可以提供许多陡峭的峰值，显著抑制了SBM热应力引起的啁啾现象，实现了浮力材料在高压下的原位性能监测。测试结果表明，我们提出的RFL-AE传感器对SBM的连续和突发AE信号具有高度响应性。声发射信号的测量分辨率为215$\text{f}\varepsilon/\surd$Hz，这为SBM相关复合材料的损伤检测提供了一种潜在的嵌入式激光声发射监测方案。

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