Results 21 to 30 of about 317,323 (368)
2D and 3D Shape Sensing Based on 7-Core Fiber Bragg Gratings
Photonic Sensors, 2020 A fiber-optic shape sensing based on 7-core fiber Bragg gratings (FBGs) is proposed and experimentally demonstrated. The investigations are presented for two-dimensional and three-dimensional shape reconstruction by distinguishing bending and twisting of
Tianting Lai +5 more
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IEEE Photonics Journal, 2020 An enhanced distributed optical fiber sensor based on broadband ultra-weak fiber Bragg grating array (UWFBG) for dynamic strain measurement with large temperature tolerance range was proposed and experimentally demonstrated.
Chengli Li +5 more
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Versatile Vibration Sensing Using a Tapered Photonic Crystal Fiber With a Featured Core
IEEE Photonics Journal, 2020 On the basis of intensity modulation, a vibration sensor using a tapered photonic crystal fiber (PCF) is demonstrated. The fiber is a solid-core PCF with a central air hole embedded in the core region.
Haihu Yu +4 more
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Opto-Mechatronics System for Train-Track Micro Deformation Sensing
Sensors, 2021 In this paper, we proposed and experimentally demonstrated an opto-mechatronics system to detect the micro-deformation of tracks caused by running trains.
Weibing Gan +5 more
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A High-Sensitivity Dual-Axis Accelerometer with Two FP Cavities Assembled on Single Optical Fiber
Sensors, 2022 In this paper, a dual-axis Fabry–Pérot (FP) accelerometer assembled on single optical fiber is proposed. The sensor is equipped with a special beam-splitting prism to split the light into two perpendicular directions (the X- and Y-axes); the prism ...
Bolun Zheng +5 more
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High-Speed Mach-Zehnder-OTDR Distributed Optical Fiber Vibration Sensor Using Medium-Coherence Laser
Photonic Sensors, 2018 This article presents a high-speed distributed vibration sensing based on Mach-Zehnder-OTDR (optical time-domain reflectometry). Ultra-weak fiber Bragg gratings (UWFBG), whose backward light intensity is 2-4 orders of magnitude higher than that of ...
Yuheng Tong +4 more
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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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Drawing Tower In-Line Fabrication and the Spectrum Analysis of Sampled Fiber Grating
Photonic Sensors, 2019 Sampled fiber grating is a special superstructure fiber Bragg grating with a wide range of applications in many fields. In this work, based on drawing tower in-line fabrication system, a new preparation method of the sampled fiber grating is proposed and
Yu Zheng +5 more
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International Journal of Electronics and Telecommunications, 2013 Abstract The Conference on Optical Fibers and Their Applications, Nałȩczów 2012, in its 14th edition, which has been organized since more than 35 years, has summarized the achievements of the local optical fiber technology community, for the last year and a half.
Romaniuk, Ryszard S., Wójcik, Waldemar
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Sensors, 2018 Multi-point vibration sensing at the low frequency range of 0.5–100 Hz is of vital importance for applications such as seismic monitoring and underwater acoustic imaging.
Yi Li +7 more
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