Fast-Response Temperature Sensing Using Dual-Wavelength Differential Cross Multiplication for Interrogating Fiber-Optic Fabry–Pérot Interferometers

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

IEEE Sensors Journal Pub Date : 2025-02-17 DOI:10.1109/JSEN.2025.3531949

Chenxu Lu;Ziwei Chen;Dianting Zeng;Jian Lin;Chi Wu

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引用次数: 0

Abstract

This article proposes a novel demodulation approach for fast measurement of seawater temperature, utilizing the dual-wavelength differential cross-multiplication (DWDCM) algorithm. The system employs a silicon cavity-based Fabry–Pérot interferometer (FPI) as the temperature sensing element, demonstrating the effectiveness of DWDCM demodulation for high-frequency temperature monitoring. A theoretical analysis was conducted to optimize the selection of two laser wavelengths used in the DWDCM system, ensuring compatibility with the seawater temperature measurement range and laser wavelength shift tolerance. Experimental results demonstrate that the FPI temperature sensor exhibits high-temperature accuracy and fast response. The maximum positive and negative temperature difference between the FPI sensor and the high-precision platinum resistance thermometer (PRT) are 0.0046 °C and −0.0036 °C, respectively, with a rapid response time constant of 6.0 ms. These results underscore the sensor’s capability for precise monitoring of dynamic temperature variations with high temporal resolution, while also offering the advantages of reduced data storage requirements and simplified data processing. This is particularly beneficial for long-term oceanic turbulent temperature measurements on mobile marine platforms, such as autonomous underwater vehicles (AUVs) and profiling floats.

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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