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Proceedings Paper

Monitoring multiple interferometric sensors multiplexed in a single fiber loop mirror
Author(s): D. Leandro; M. Bravo; A. Ortigosa; M. Lopez-Amo
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Paper Abstract

Three HiBi PCF sections have been multiplexed and monitored as strain sensors in a single fiber loop mirror (FLM) interferometer. The strain applied to each fiber has been measured without crosstalk by using the fast Fourier transform analysis. This study enhances the multiplexing capability in FLM and improves previous results, where a maximum of two fiber section were multiplexed in a single multi-section FLM. The HiBi fibers are spliced together with an angle offset given by the theoretical analysis of the interference. Consequently, just one polarization controller is needed in the system, which greatly simplifies the operation of the system.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963418 (28 September 2015); doi: 10.1117/12.2194518
Show Author Affiliations
D. Leandro, Univ. Pública de Navarra (Spain)
M. Bravo, Univ. Pública de Navarra (Spain)
A. Ortigosa, Univ. Pública de Navarra (Spain)
M. Lopez-Amo, Univ. Pública de Navarra (Spain)

Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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