High-Sensitivity Temperature Measurement Based on SPR in Gold-PDMS-Coated Photonic Crystal Fiber

The fiber-optic surface plasmon resonance sensor has very promising applications in environmental monitoring, biochemical sensing, and medical diagnosis, due to the superiority of high sensitivity and novel label-free microstructure. However, the influence of ambient temperature is inevitable in practical sensing applications, and even the higher the sensitivity, the greater the influence. Therefore, how to eliminate temperature interference in the sensing process has become one of the hot issues of this research field in recent years, and some accomplishments have been achieved. This paper mainly reviews the research results on temperature self-compensating fiber-optic surface plasmon sensors. Firstly, it introduces the mechanism of a temperature self-compensating fiber-optic surface plasmon resonance sensor. Then, the latest development of temperature self-compensated sensor is reviewed from the perspective of various fiber-optic sensing structures. Finally, this paper discusses the most recent applications and development prospects of temperature self-compensated fiber-optic surface plasmon resonance sensors.

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Research Advances on Fiber-Optic SPR Sensors with Temperature Self-Compensation

Zhao

Wang

Han

et al. 2023

Sensors

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基于表面等离子体共振效应的单模光纤高灵敏度温湿度传感器

Liu Zhuoyao,

Chang Jianhua,

Ni Haibin

et al. 2023

Chin. J. Laser

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Objective Accurate measurement of temperature and relative humidity plays an important role in many fields, such as health care, environmental testing, and safety monitoring. Various sensor devices have been developed to meet various needs, but traditional mechanical hygrometers and thermometers, as well as temperature and humidity sensors based on capacitance and resistance, have disadvantages, such as large space occupation and deterioration from aging. Fiber sensors have become a popular research topic because of their small size, light weight, resistance to electromagnetic interference, corrosion resistance, and many other advantages.Researchers have designed optical fiber temperature and humidity sensors that use grating structures, interference structures, and surface plasmon resonance (SPR) effects by combining optical fibers with temperatureand humiditysensitive materials. The SPR effect has attracted considerable attention because it improves the sensitivity of optical fibers in sensing the change in the refractive index of the surrounding medium. We propose an SPRbased singlemode fiber (SMF) temperatureand humiditysensing structure.It is made of a singlemode fiber coated with a silver film that partially removes cladding and senses the changes in temperature and relative humidity via a sensitive material, which is on the outer side of the silver.

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基于二维光子晶体的电磁双参量传感的研究

Weihua¹,

Mingyu²,

Wei³

2023

激光与光电子学进展

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High-Sensitivity Temperature Measurement Based on SPR in Gold-PDMS-Coated Photonic Crystal Fiber

Cited by 4 publications

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Research Advances on Fiber-Optic SPR Sensors with Temperature Self-Compensation

Research Advances on Fiber-Optic SPR Sensors with Temperature Self-Compensation

基于表面等离子体共振效应的单模光纤高灵敏度温湿度传感器

基于二维光子晶体的电磁双参量传感的研究

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