Results 1 to 10 of about 209,924 (304)
Photonics, 2022 Signal recognition accuracy and recognition time are the two most important parameters of pattern recognition in a fiber optic vibration sensing system.
Jing Cheng +5 more
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Photonics, 2023 The law of the polarization state of Raman fiber amplifier switch in single-core feedback structures is unknown. In this paper, two kinds of optical paths with single-core feedback structures are constructed, namely the Raman amplified Faraday rotating ...
Fengzhen Yu +5 more
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Fiber-diffraction Interferometer using Coherent Fiber Optic Taper [PDF]
, 2010 We present a fiber-diffraction interferometer using a coherent fiber optic taper for optical testing in an uncontrolled environment. We use a coherent fiber optic taper and a single-mode fiber having thermally-expanded core.
Kihm, Hagyong, Lee, Yun-Woo
core +4 more sources
FBG Arrays for Quasi-Distributed Sensing: A Review
Photonic Sensors, 2021 Fiber Bragg grating (FBG) array is a powerful technique for quasi-distributed sensing along the entire length of sensing fiber with fast response and high precision. It has been widely used for temperature, strain, and vibration monitoring.
Chengli Li +4 more
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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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Simulation and design of C + L broadband communication single mode fiber
Results in Optics, 2023 A novelty CL fiber which can expand L-band communication is proposed to meet the urgent demand of optical fiber transmission bandwidth for large capacity communication system. The influence of L-band attenuation on the OSNR (optical signal-to-noise ratio)
G.H. Zhang +11 more
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A Medium-Frequency Fiber Bragg Grating Accelerometer Based on Flexible Hinges
Sensors, 2021 Mediumfrequency fiber Bragg grating (FBG) acceleration sensors are used in important applications in mechanical, aerospace and weapon equipment, and have strict requirements in terms of resonance frequency and sensitivity.
Zichuang Li +5 more
doaj +1 more source
Biosensors, 2023 A ratiometric fluorescence probe based on the conjugation of peroxyfluor-NHS (PF) and carbon dots (CDs) was designed for selective and rapid detection of glucose.
Yangjie Li +4 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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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
doaj +1 more source