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28 September 2015 Monitoring multiple interferometric sensors multiplexed in a single fiber loop mirror
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Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963418 (2015) https://doi.org/10.1117/12.2194518
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil
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.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
D. Leandro, M. Bravo, A. Ortigosa, and M. Lopez-Amo "Monitoring multiple interferometric sensors multiplexed in a single fiber loop mirror", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963418 (28 September 2015); https://doi.org/10.1117/12.2194518
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