Advances in distributed vibration sensing for optical communication fiber state visualization
Sign Up to like & getrecommendations! Published in 2020 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2020.102263
Abstract: Abstract This paper describes our recently proposed novel distributed vibration sensing (DVS) measurement technologies for visualizing the state of optical fiber in communication cables. Conventional fault location of optical fiber cable involves the measurement of… read more here.
Keywords: state; communication; vibration; vibration sensing ... See more keywords
Remote Distributed Vibration Sensing Through Opaque Media Using Permanent Magnets
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Magnetics"
DOI: 10.1109/tmag.2018.2816578
Abstract: Vibration sensing is critical for a variety of applications from structural fatigue monitoring to understanding the modes of airplane wings. In particular, remote sensing techniques are needed for measuring the vibrations of multiple points simultaneously,… read more here.
Keywords: remote distributed; sensing opaque; vibration; vibration sensing ... See more keywords
The effect of gauge length on axially incident P‐waves measured using fibre optic distributed vibration sensing
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DOI: 10.1111/1365-2478.12419
Abstract: ABSTRACT Distributed vibration sensing, also known as distributed acoustic sensing, is a relatively new method for recording vertical seismic profile data using a fibre optic cable as the sensor. The signal obtained from such systems… read more here.
Keywords: length; gauge length; distributed vibration; vibration sensing ... See more keywords
Phase sensitive distributed vibration sensing based on ultraweak fiber Bragg grating array using double-pulse
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DOI: 10.1117/1.oe.56.8.084104
Abstract: A distributed vibration sensing technique using double-optical-pulse based on phase-sensitive optical time-domain reflectometry (φ-OTDR) and an ultraweak fiber Bragg grating (UWFBG) array is proposed for the first time. The single-mode sensing fiber is integrated with… read more here.
Keywords: array; vibration; vibration sensing; fiber ... See more keywords
Distributed vibration sensor with a lasing phase-sensitive OTDR.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.476182
Abstract: The authors experimentally demonstrate the operation of a lasing phase-sensitive optical time-domain reflectometer (Φ-OTDR) based on random feedback from a sensing fiber. Here, the full output of the laser provides the sensing signal, in contrast… read more here.
Keywords: lasing phase; phase sensitive; vibration sensor; distributed vibration ... See more keywords