Abstract
The paper describes and verifies a non-invasive blood glucose estimation method, which uses two multiplexed fiber-optic Fabry-Perot interferometric sensors interrogated by means of spectral interferometry. The sensors were installed at the wrist and ankle and the corresponding pulse wave velocity was measured. A mathematical model for estimating the blood glucose concentration from pulse wave signal features was developed. The model accuracy was proven by estimating blood glucose values from pulse wave signals measured in an additional validation experiment.KeywordsBiomedical sensorEFPIPulse waveGlucoseSpectral interferometryNon-invasive diagnosticsCardiovascular monitoringPulse wave velocity
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