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Proceedings Paper

Dual-core optical fiber based strain sensor for remote sensing in hard-to-reach areas
Author(s): Anna Mąkowska; Łukasz Szostkiewicz; Agnieszka Kołakowska; Dawid Budnicki; Beata Bieńkowska; Łukasz Ostrowski; Michał Murawski; Marek Napierała; Paweł Mergo; Tomasz Nasiłowski
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Paper Abstract

We present research on optical fiber sensors based on microstructured multi-core fiber. Elaborated sensor can be advantageously used in hard-to-reach areas by taking advantage of the fact, that optical fibers can play both the role of sensing elements and they can realize signal delivery. By using the sensor, it is possible to increase the level of the safety in the explosive endangered areas, e.g. in mine-like objects. As a base for the strain remote sensor we use dual-core fibers. The multi-core fibers possess a characteristic parameter called crosstalk, which is a measure of the amount of signal which can pass to the adjacent core. The strain-sensitive area is made by creating the tapered section, in which the level of crosstalk is changed. Due to this fact, we present broadened conception of fiber optic sensor designing. Strain measurement is realized thanks to the fact, that depending on the strain applied, the power distribution between the cores of dual-core fibers changes. Principle of operation allows realization of measurements both in wavelength and power domain.

Paper Details

Date Published: 5 October 2017
PDF: 6 pages
Proc. SPIE 10434, Electro-Optical Remote Sensing XI, 104340G (5 October 2017); doi: 10.1117/12.2278600
Show Author Affiliations
Anna Mąkowska, InPhoTech (Poland)
Warsaw Univ. of Technology (Poland)
Łukasz Szostkiewicz, InPhoTech (Poland)
Warsaw Univ. of Technology (Poland)
Agnieszka Kołakowska, InPhoTech (Poland)
Dawid Budnicki, InPhoTech (Poland)
Beata Bieńkowska, Polish Ctr. of Photonics and Fiber Optics (Poland)
Łukasz Ostrowski, Polish Ctr. of Photonics and Fiber Optics (Poland)
Michał Murawski, Polish Ctr. of Photonics and Fiber Optics (Poland)
Marek Napierała, InPhoTech (Poland)
Paweł Mergo, Univ. of Maria Curie-Sklodowska (Poland)
Tomasz Nasiłowski, InPhoTech (Poland)

Published in SPIE Proceedings Vol. 10434:
Electro-Optical Remote Sensing XI
Gary Kamerman; Ove Steinvall, Editor(s)

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