Multichannel Directional Recognition SPR Curvature Sensor Based on D-Type Double-Clad Multimode Fiber

Wei, Yong; Liu, Chunbiao; Liu, Chunlan; Shi, Chen; Ren, Zhuo; Ran, Ze; Jiang, Tianci; Wang, Rui; Wang, Xingkai; Zhang, Yu; Liu, Zhihai

doi:10.1109/jsen.2022.3213049

Cited by 12 publications

(2 citation statements)

References 23 publications

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“…Harun SW's team primarily researches fiber optic sensors for the identification of human metabolites and biological signals such as uric acid, glucose, and electrocardiogram signals [ [20] , [21] , [22] ]. The team represented by Zhang Yu is devoted to the development and improvement of optical fiber sensors [ [23] , [24] , [25] ]. Zhao Yong's team's current research interests appear to center around developing innovative fiber optic sensors by utilizing unique materials and structures to enhance sensitivity, selectivity, and other performance for various applications, including environmental monitoring and gas detection [ 26 , 27 ].…”

Section: Resultsmentioning

confidence: 99%

Two Decades' advancements and Research trends in needle-type Sensor technology: A scientometric analysis

Yang,

Xu,

et al. 2024

Heliyon

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Section: Resultsmentioning

confidence: 99%

Two Decades' advancements and Research trends in needle-type Sensor technology: A scientometric analysis

Yang,

Xu,

et al. 2024

Heliyon

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“…FBG [19] 0.226 FBG [20] -0.811 FPI [21] 0.069 双包层多模光纤 [22] 0.611 [24] 88 60 -FPI-金膜 [25] 80.6 42 1300 FPI-聚氯乙烯膜 [26] 33.26 48 217 LPFG [13,14] 83…”

Section: 声传感实验与结果分析mentioning

confidence: 99%

A low-frequency acoustic sensing scheme based on cladding mode of large-angle tilted fiber Bragg grating

Yi-Wu¹,

Tian²,

Yang³

et al. 2023

Acta Phys. Sin.

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A novel low frequency acoustic sensor based on the cladding mode of large-angle tilted fiber Bragg grating (TFBG) is firstly proposed and verified. It is mainly used the characteristic that the mode coupling methods of the core and cladding mode in TFBG is easy to change when the TFBG under micro-bends, which will finally causes a dramatic drift in the spectrum. In this paper, by combining a large-angle TFBG with the designed polyethylene terephthalate (PET) transducer diaphragm and cavity structure, an effective low-frequency acoustic sensing system is obtained. Under the action of applied acoustic wave, the transducer membrane will have periodic vibration, which will makes the fixed TFBG dynamically bend, this will directly leads a wavelength shift of the cladding mode spectrum. The experimental results show that the sensing system can achieve high sensitivity acoustic detection in the range of 45~220Hz, and obtain a maximum acoustic pressure sensitivity of 115.88mV/Pa at 54Hz. Moreover, the minimum detection sound pressure can achieve 539.2μPa/Hz<sup>1/2@</sup>54Hz. Therefore, The sensor has the advantages of high sensitivity, good repeatability, simple structure, easy processing and etc. It has a great development prospect in the low-frequency acoustic detection related application fields.

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Seven-Core Fiber Composite Structures-Based Mach-Zehnder Interferometer for Bending and Temperature Measurement

Zhang,

Ling,

Chen

et al. 2024

Photonic Sens

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In the paper, an optical fiber sensor based on a seven-core fiber composite structure is presented, which enables dual-parameter sensing of bending and temperature. The proposed structure is fabricated by combining the strongly-coupled seven-core fibers (SC-SCFs) and a weakly-coupled seven-core fiber (WC-SCF). The SC-SCF acts as a beam coupler and enhances the Mach-Zehnder interference, while the WC-SCF serves as the enhanced section of another Mach-Zehnder interference. Therefore, the spectrum response of the fiber structure mentioned above exhibits a superposition effect of two Mach-Zehnder interferometers (MZIs). Among them, two dips corresponding to different MZIs are used to measure bending and temperature. The experimental results show the bending sensitivity and temperature sensitivity of the two MZIs are −4.238 nm/m−1, −2.263 nm/m−1, 0.047 nm/°C, and 0.064 nm/°C, respectively. It proves that our sensor is very sensitive to bending. Through the dual-wavelength matrix method, the bending and temperature can be measured simultaneously. With the benefit of the composite structure, low cost, and ease of fabrication, the proposed sensor can be used in harsh environments.

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Multichannel Directional Recognition SPR Curvature Sensor Based on D-Type Double-Clad Multimode Fiber

Cited by 12 publications

References 23 publications

Two Decades' advancements and Research trends in needle-type Sensor technology: A scientometric analysis

Two Decades' advancements and Research trends in needle-type Sensor technology: A scientometric analysis

A low-frequency acoustic sensing scheme based on cladding mode of large-angle tilted fiber Bragg grating

Seven-Core Fiber Composite Structures-Based Mach-Zehnder Interferometer for Bending and Temperature Measurement

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