Strain and temperature sensors using multimode optical fiber Bragg gratings and correlation signal processing [PDF]
, 2002 Multimode fiber optic Bragg grating sensors for strain and temperature measurements using correlation signal processing methods have been developed. Two multimode Bragg grating sensors were fabricated in 62/125 m graded-index silica multimode fiber ...
Jones, BE, Jackson, PR, Lim, J, Yang, QP
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Optical fiber sensor for mine safety Internet of things
Gong-kuang zidonghua, 2018 For disadvantages of traditional electronic sensors in mine safety monitoring system such as low precision, poor reliability, a large amount of maintenance, monitoring dead-zone and so on, it was proposed that using optical fiber sensors and wireless ...
LIU Tongyu +15 more
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Advances in Tapered Optical Fiber Sensor Structures: From Conventional to Novel and Emerging
Biosensors, 2023 Optical fiber sensors based on tapered optical fiber (TOF) structure have attracted a considerable amount of attention from researchers due to the advantages of simple fabrication, high stability, and diverse structures, and have great potential for ...
Wen Zhang +6 more
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The detection of ultrasound using fiber-optic sensors [PDF]
, 2007 Ultrasound is a valuable tool for the detection of damage in structures and the characterization of material properties. Its detection is conventionally done by piezoelectric transducers, however fiber-optic sensors can operate over a greater range of ...
Culshaw, B. +13 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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Efficient large-scale multiplexing of fiber Bragg grating and fiber Fabry-Perot sensors for structural health monitoring applications [PDF]
, 2006 Fiber Bragg gratings have been demonstrated as a versatile sensor for structural health monitoring. We present an efficient and cost effective multiplexing method for fiber Bragg grating and fiber Fabry-Perot sensors based on a broadband mode-locked ...
Kirkendall, C. K. +2 more
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Performance Analysis of a Noncontact Plastic Fiber Optical Fiber Displacement Sensor with Compensation of Target Reflectivity [PDF]
, 2013 An inexpensive fiber-based noncontact distance sensor specific for monitoring short-range displacements in micromachining applications is presented. To keep the overall costs low, the sensor uses plastic optical fibers and an intensiometric approach ...
Alberto Vallan +8 more
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Principles and Applications of Seismic Monitoring Based on Submarine Optical Cable
Sensors, 2023 Submarine optical cables, utilized as fiber-optic sensors for seismic monitoring, are gaining increasing interest because of their advantages of extending the detection coverage, improving the detection quality, and enhancing long-term stability.
Junzhe Yu +6 more
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Sensors, 2021 The use of optical fiber probe in two-phase flow measurements is very frequently encountered, especially in the applications of chemical engineering and petroleum industries.
Yu Ma +4 more
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Dual Temperature and Strain Measurement with the Combined Fluorescence Lifetime and Bragg Wavelength Shift Approach in Doped Optical Fiber [PDF]
We have constructed fiber-optic sensors to measure temperature and strain by combining the properties of fiber Bragg gratings with the fluorescent lifetimes of various doped fibers.
Wade, Scott A. +4 more
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