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20 May 2013 Brillouin distributed fibre sensing using phase modulated probe
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Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 87943P (2013) https://doi.org/10.1117/12.2026792
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland
Abstract
A novel configuration for a Brillouin distributed sensor using a phase modulated probe is presented. It offers the combined advantages of a direct implementation using simple devices and a large immunity to noise, shifting the information from the baseband to a higher frequency, which substantially strengthens the robustness to perturbations, interferences and other optical coherent noises. It naturally facilitates the possibility to perform frequency-coding on the probe to realise dynamic and fast measurements, since all frequency tunings are realised at sub-GHz frequencies.
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Xin Lu, Marcelo A. Soto, Miguel Gonzalez Herraez, and Luc Thévenaz "Brillouin distributed fibre sensing using phase modulated probe", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87943P (20 May 2013); https://doi.org/10.1117/12.2026792
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