基于SPR和LMR的双参数光纤传感器测量液体折射率和温度

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

IEEE Sensors Journal Pub Date : 2025-03-17 DOI:10.1109/JSEN.2025.3549793

Bin Li;Zongpan Li;Fan Zhang;Bing Lu;Pengxing Guo;Lei Guo;Weigang Hou

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引用次数: 0

摘要

提出了一种结合表面等离子体共振（SPR）和损耗模式共振（LMR）技术的紧凑双参数光纤传感器，用于同时测量液体折射率（RI）和温度。该传感器使用沉积在d形石英无芯光纤一侧的Au膜来激发SPR用于RI测量，另一侧沉积在涂有PDMS的TiO2膜来激发LMR用于温度传感。数值模拟结果表明，该传感器在1.33 ~ 1.42的RI范围内的最大灵敏度为16450 nm/RIU，在$20~^{\circ}$ C ~ $100~^{\circ}$ C的温度范围内的平均灵敏度为- 4.36 nm/°C，进一步在Au膜表面沉积TiO2膜以增强电场，传感器的最大RI灵敏度提高到21650 nm/RIU。该传感器具有广泛的测量范围和优异的灵敏度，适用于多参数测量应用。

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A Dual-Parameter Optical Fiber Sensor Based on SPR and LMR for Measuring Liquid Refractive Index and Temperature

A compact dual-parameter optical fiber sensor combining surface plasmon resonance (SPR) and lossy mode resonance (LMR) technologies was proposed for the simultaneous measurement of liquid refractive index (RI) and temperature. The sensor uses an Au film deposited on one side of a D-shaped quartz no-core optical fiber to excite SPR for RI measurement, and a TiO2 film deposited on the other side, which is coated with PDMS to excite LMR for temperature sensing. Numerical simulation results show that the sensor achieves a maximum sensitivity of 16450 nm/RIU in the RI range of 1.33–1.42, and an average sensitivity of −4.36 nm/°C in the temperature range of

$20~^{\circ }$

C–

$100~^{\circ }$

C. Furthermore, by further depositing a TiO2 film on the Au film surface to enhance the electric field, the maximum RI sensitivity of the sensor increases to 21650 nm/RIU. This sensor offers a wide measurement range and excellent sensitivity, making it promising for multiparameter measurement applications.

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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