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conference paper
Brillouin distributed fibre sensing using phase modulated probe
2013
Fifth European Workshop on Optical Fibre Sensors
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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87943P.pdf
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Publisher's version
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openaccess
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327.54 KB
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Adobe PDF
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596303a943a2ec77e22af020eff79287