Enhanced-Backscattering and Enhanced-Backreflection Fibers for Distributed Optical Fiber Sensors

Lee, Timothy; Beresna, Martynas; Masoudi, Ali; Brambilla, Gilberto

doi:10.1109/jlt.2023.3281136

Cited by 6 publications

(2 citation statements)

References 126 publications

(146 reference statements)

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“…These sensors function as instruments utilized to measure the displacement or position of an object in relation to a reference point. These sensors operate based on various principles, encompassing resistive sensors [1][2][3], capacitive sensors [3], eddy current sensors [4][5][6], and optical fiber sensors [7][8][9][10]. Each sensor type possesses unique advantages and limitations, necessitating the consideration of factors such as desired accuracy, range, environmental conditions, and application-specific requirements when selecting an appropriate sensor.…”

Section: Introductionmentioning

confidence: 99%

Displacement Measurement Method Based on Double-Arrowhead Auxetic Tubular Structure

Wen,

Li,

Zhang

et al. 2023

Sensors

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This research paper introduces an innovative technique for measuring displacement using auxetic tubular structure (ATS). The proposed displacement measurement method is based on tubular structures with a negative Poisson’s ratio. It capitalizes on the underlying principle that the elastic deformation-induced change in transmittance of the ATS can be translated into a corresponding modification in the output current of the solar cell. This method allows for the conversion of the variation in light transmission into a corresponding variation in output voltage. The construction of the ATS can be achieved through 3D-printing technology, enhancing the accessibility of displacement measurement and design flexibility. The experimental results demonstrate that the proposed measurement method exhibits a linear error of less than 8% without any subsequent signal processing and achieves a sensitivity of 0.011 V/mm without signal amplification. Furthermore, experimental results also show that the proposed method has good repeatability and can maintain a high level of reliability and sensitivity when using different measurement devices. This confirms the effectiveness and feasibility of the proposed method, showing a favorable linear relationship between the input and output of the measurement system with an acceptable sensitivity, repeatability, and reliability.

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Section: Introductionmentioning

confidence: 99%

Displacement Measurement Method Based on Double-Arrowhead Auxetic Tubular Structure

Wen,

Li,

Zhang

et al. 2023

Sensors

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“…Various methods have been proposed to enhance the SNR of the system. These methods include modifications to the design of the optical fiber [10,11], updating the system hardware [12,13], and digital signal processing methods [14][15][16]. Furthermore, as a Sensors 2023, 23, 7340 2 of 14 sensor of the DAS system, the internal structure, mechanical properties, and environmental coupling of the optical cable will all affect the SNR of the system.…”

Section: Introductionmentioning

confidence: 99%

How the Material Characteristics of Optical Fibers and Soil Influence the Measurement Results of Distributed Acoustic Sensing

Jiang,

Liang,

Tong

et al. 2023

Sensors

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Fiber optic distributed acoustic sensing (DAS) technology is widely used in security surveillance and geophysical survey applications. The response of the DAS system to external vibrations varies with different types of fiber optic cable connections. The mechanism of mutual influence between the cable’s characteristics and DAS measurement results remains unclear. This study proposed a dynamic model of the interaction between the optical cable and the soil, analyzed the impact of the dynamic parameters of the optical cable and soil on the sensitivity of the DAS system, and validated the theoretical analysis through experiments. The findings suggest that augmenting the cable’s bending stiffness 5.5-fold and increasing its unit mass 4.2-fold result in a discernible reduction of the system’s response to roughly 0.15 times of its initial magnitude. Cables with lower unit mass and bending stiffness are more sensitive to vibration signals. This research provides a foundation for optimizing vibration-enhanced fiber optic cables and broadening the potential usage scenarios for DAS systems.

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Cascaded Weak Reflector Coaxial Cable Structure for Point and Distributed Large-Strain Sensing

Zhu,

Alsalman,

Huang

2024

IEEE Sensors J.

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Enhanced-Backscattering and Enhanced-Backreflection Fibers for Distributed Optical Fiber Sensors

Cited by 6 publications

References 126 publications

Displacement Measurement Method Based on Double-Arrowhead Auxetic Tubular Structure

Displacement Measurement Method Based on Double-Arrowhead Auxetic Tubular Structure

How the Material Characteristics of Optical Fibers and Soil Influence the Measurement Results of Distributed Acoustic Sensing

Cascaded Weak Reflector Coaxial Cable Structure for Point and Distributed Large-Strain Sensing

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