Results 31 to 40 of about 723,711 (310)
Design and Measurement of a Dual FBG High-Precision Shape Sensor for Wing Shape Reconstruction
Sensors, 2021 FBG shape sensors based on soft substrates are currently one of the research focuses of wing shape reconstruction, where soft substrates and torque are two important factors affecting the performance of shape sensors, but the related analysis is not ...
Huifeng Wu +5 more
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Polarization properties of interferometrically interrogated fiber Bragg grating and tandem-interferometer strain sensors [PDF]
, 2006 Lead sensitivity in low-coherence interferometric fiber-optic sensors is a well-known problem. It can lead to a severe degradation in the sensor resolution and accuracy through its effect on the fringe visibility and interferometric phase.
Flockhart, G M H +2 more
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Distributed Weak Fiber Bragg Grating Vibration Sensing System Based on 3 × 3 Fiber Coupler
Photonic Sensors, 2018 A novel distributed weak fiber Bragg gratings (FBGs) vibration sensing system has been designed to overcome the disadvantages of the conventional methods for optical fiber sensing networking, which are: low signal intensity in the usually adopted time ...
Wei Li, Jian Zhang
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Sensors, 2023 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
Ke Jiang +4 more
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Sapphire Fiber Fabry-Perot Sensors With High Fringe Visibility
IEEE Photonics Journal, 2022 It is difficult for sapphire fiber Fabry-Perot (FP) sensors to generate high quality interference fringes because their highly multimode property. In this paper, we report a sapphire fiber FP strain sensing system with high fringe visibility, realized by
Jiawei Zhang +3 more
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Applied Fiber Optic Measurement for Geohydraulic Engineering [PDF]
, 1997 Engineers have long sought the possibility of measuring parameters such as temperature and pressure continuously in the underground with high precision, high spatial resolution and high band width of parameters. Distributed fibre optic measurement offers
Nishigaki, Makoto, Schreck, Martin
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A Two Fiber Bragg Gratings Sensing System to Monitor the Torque of Rotating Shaft
Sensors, 2016 By fixing two FBGs on the surface of a rotating shaft along the direction of ±45° and using dynamic wavelength demodulation technology, we propose an optical fiber sensing system to monitor the driving torque and torsion angle of the rotating shaft.
Yongjiao Wang +4 more
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Fiber Optical Hydrogen Sensor Based on WO3-Pd2Pt-Pt Nanocomposite Films
Nanomaterials, 2021 In this paper, WO3-Pd2Pt-Pt nanocomposite films were deposited on a single mode fiber as the hydrogen sensing material, which changes its reflectivity under different hydrogen concentration.
Jixiang Dai +8 more
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Optical Fiber Grating Hydrogen Sensors: A Review
Sensors, 2017 In terms of hydrogen sensing and detection, optical fiber hydrogen sensors have been a research issue due to their intrinsic safety and good anti-electromagnetic interference.
Jixiang Dai +6 more
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Fiber Optic Sensors in Chemical and Biological Applications [PDF]
, 2022 The Special Issue "Fiber Optic Sensors in Chemical and Biological Applications” gathers recent original papers. The subjects of the papers cover a broad range of optical fiber chemical sensors and biosensors applied for regulation in bioreactors, to ...
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