Experimental research of digital photoplethysmography sensor’s performances
Keywords:Photoplethysmography sensor, measuring reflectance, using LED as the detector.
Design of. the new, high-sensitivity optica! sensor, on the basis of the light-emitting diodes is presented, one with which carries out function of a light source, and another back displaced functions as the detector. Availability this principle of measuring for problems of recording pulse waves is shown.
Барауля В.И., Кобцев CM., Кораблев А.В. Использование светоизлучающих диодов АЛ307 в качестве фотоприемников для диагностики фемтосекундных световых импульсов // Письма в ЖТФ. – 1998. – Т. 24, №1. – с. 62-65.
Miyazaki E., Itami S., Araki Т. Using a light-emitting diode as a high-speed, wavelength selective photodetector// Rev. Sci. Instrum. – 1998. – Vol. 69. – pp. 3751-3754.
Stojanovic R., Karadaglic D. A LED-LED-based photoplethysmography sensor // Physiol. Meas. – 2007. – Vol. 28, № 6. – pp. 19-27.
Lau K. T,, and al. Novel fused-LEDs devices as optical sensors for colorimetric analysis // Talanta. – 2004. – Vol. 63, no 6. – pp. 167-173.
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