Optical Fiber Fabry-Pérot Interferometer and its Application to Railway Transport

The design and method of preparing the optical fiber sensor are presented. The optical fiber sensor is based on a Fabry-Pérot interferometer. An optical cavity of the interferometer is formed by single-mode optical fiber. The sensor, connected to the measuring unit, is placed on the foot of the trac...

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Bibliographic Details
Main Authors: Kacik, Daniel, Martincek, Ivan, Tarjanyi, Norbert, Goraus, Matej, Maciak, Juraj, Horak, Jakub
Format: Conference Proceeding
Language:English
Subjects:
Aluminum
Fabry-Pérot interferometer
optical fiber
Optical fiber sensors
Optical fibers
Optical interferometry
optical sensor
Rail transportation
railway monitoring
Stability analysis
Wheels
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Summary:The design and method of preparing the optical fiber sensor are presented. The optical fiber sensor is based on a Fabry-Pérot interferometer. An optical cavity of the interferometer is formed by single-mode optical fiber. The sensor, connected to the measuring unit, is placed on the foot of the track between sleepers. The functionality of the sensor was verified by passing a trainset consisting of a diesel locomotive and four wagons. From the received signal it is possible to determine the presence of the train at a given time, the number of axles, the speed of the train and to estimate the load of individual axles. Due to the simple installation and multifunctionality of the proposed sensor, the sensor appears to be a good candidate for monitoring railway traffic.
ISSN:2691-0616
DOI:10.1109/ELEKTRO53996.2022.9803470