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Optical fibre sensors based on multi-mode fibres and MIMO signal processing: an experimental approach
2015
24th International Conference on Optical Fibre Sensors
In this paper multiple-input multiple-output (MIMO) signal processing is investigated for fibre optic sensor applications. A (2 × 2) MIMO implementation is realized by using lower-order and higher-order mode groups of a graded-index (GI) multi-mode fibre (MMF) as separate transmission channels. A micro-bending pressure sensor changes these separate transmission characteristics and introduces additional crosstalk. By observing the weight-factors of the MIMO system the amount of load applied was
doi:10.1117/12.2195114
fatcat:yyd2zb67trepthluapzgyhv7ki