18 June 2013 Analysis of multi-spectral photoplethysmograph biosensors
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Abstract
Multi-spectral photoplethysmograph biosensor intended for analysis of peripheral blood volume pulsations at different vascular depths has been experimentally tested. Light emitting diodes with four different wavelengths were used as the light emitters. A single photodiode with multi-channel signal output processing was used as the light detector. This study analyzed rising time difference between wavelengths at systole maximum, wavelengths relations between systole and diastole peak difference. The proposed methodology is discussed.
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Lasma Asare, Lasma Asare, Janis Spigulis, Janis Spigulis, } "Analysis of multi-spectral photoplethysmograph biosensors", Proc. SPIE 8801, Novel Biophotonic Techniques and Applications II, 880106 (18 June 2013); doi: 10.1117/12.2032466; https://doi.org/10.1117/12.2032466
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