Mixed oil detection method based on tapered fiber SPR sensor

Fu, Lihui; Dai, Junfeng

doi:10.1016/j.yofte.2023.103322

Cited by 7 publications

(1 citation statement)

References 24 publications

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“…Simultaneously, several studies have highlighted the advantages of simple fiber optic materials, cost-effectiveness, and broad scale utilization [ 9 , 10 ]. With their own inimitable characteristics, fiber-optic sensors have broad application prospects in a variety of sectors, including environmental monitoring, civil engineering, biomedicine, industrial production, aerospace, energy development, and food safety [ 11 , 12 , 13 , 14 , 15 , 16 , 17 ].…”

Section: Introductionmentioning

confidence: 99%

Advances in Tapered Optical Fiber Sensor Structures: From Conventional to Novel and Emerging

et al. 2023

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Optical fiber sensors based on tapered optical fiber (TOF) structure have attracted a considerable amount of attention from researchers due to the advantages of simple fabrication, high stability, and diverse structures, and have great potential for applications in many fields such as physics, chemistry, and biology. Compared with conventional optical fibers, TOF with their unique structural characteristics significantly improves the sensitivity and response speed of fiber-optic sensors and broadens the application range. This review presents an overview of the latest research status and characteristics of fiber-optic sensors and TOF sensors. Then, the working principle of TOF sensors, fabrication schemes of TOF structures, novel TOF structures in recent years, and the growing emerging application areas are described. Finally, the development trends and challenges of TOF sensors are prospected. The objective of this review is to convey novel perspectives and strategies for the performance optimization and design of TOF sensors based on fiber-optic sensing technologies.

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Section: Introductionmentioning

confidence: 99%

Advances in Tapered Optical Fiber Sensor Structures: From Conventional to Novel and Emerging

et al. 2023

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Optical Fiber‐Based Wearable Sensors for Remote Health Monitoring [Invited]

Zhang,

Singh,

Zhang

et al. 2024

Advanced Sensor Research

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The wearable optical fiber sensors have demonstrated significant promise in the realm of health monitoring in recent times. These sensors utilize the flexibility and exceptional sensitivity of optical fibers to precisely measure many physiological aspects of the human body, including heart rate, breathing rate, mobility status, and body temperature. Optical fiber sensors usually have good biocompatibility and anti‐interference capabilities, can be integrated into flexible materials, and are suitable for long‐term wear. It can be integrated into clothing, patches, or accessories to provide continuous, real‐time health data monitoring, providing important support for personalized medicine and remote health management. This paper primarily presents the fundamental operating concept of wearable optical fiber sensors and their use in monitoring physiological signals across multiple domains. In conclusion, this paper provides a summary of the limitations and future prospects of wearable fiber sensors using optical fiber technology.

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D-Shaped Photonic Crystal Fiber SPR Sensor for Humidity Monitoring in Oils

Romeiro,

Rodrigues,

Miranda

et al. 2024

EPJ Web Conf.

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This theoretical study presents a D-shaped photonic crystal fiber (PCF) surface plasmon resonance (SPR) based sensor designed for humidity detection in transformer oil. Humidity refers to the presence of water dissolved or suspended in the oil, which can affect its dielectric properties and, consequently, the efficiency and safety of the transformer’s operation, failures in the sealing system and the phenomenon of condensation can be the main sources of this humidity. This sensor leverages the unique properties of the coupling between surface plasmons and fiber guided mode at the Au-PCF interface to enhance the sensitivity to humidity changes in the external environment. The research demonstrated the sensor’s efficacy in monitoring humidity levels ranging from 0% to 100% with an average sensitivity of measured at 1106.1 nm/RIU. This high sensitivity indicates a substantial shift in the resonance wavelength corresponding to minor changes in the refractive index caused by varying humidity levels, which is critically important in the context of transformer maintenance and safety. Transformer oil serves as both an insulator and a coolant, and its humidity level is a key parameter influencing the performance and longevity of transformers. Excessive humidity can lead to insulation failure and reduced efficiency and, therefore, the ability to accurately detect and monitor humidity levels in transformer oil can significantly enhance preventive maintenance strategies, reduce downtime, and prevent potential failures, ensuring the reliable operation of electrical power systems.

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Mixed oil detection method based on tapered fiber SPR sensor

Cited by 7 publications

References 24 publications

Advances in Tapered Optical Fiber Sensor Structures: From Conventional to Novel and Emerging

Advances in Tapered Optical Fiber Sensor Structures: From Conventional to Novel and Emerging

Optical Fiber‐Based Wearable Sensors for Remote Health Monitoring [Invited]

D-Shaped Photonic Crystal Fiber SPR Sensor for Humidity Monitoring in Oils

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