Photoplethysmography. Part 2. Influence of light source wavelength

When the microvascular blood perfusion in human skin is measured by photoplethysmography (PPG), infra-red light (800-960 nm) is normally used as the light source. The PPG signal, which consists of a pulsatile (AC) and a slowly fluctuating (DC) component, was studied at different optical wavelengths...

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Veröffentlicht in:	Medical & biological engineering & computing 1991-01, Vol.29 (1), p.48-54
Hauptverfasser:	Lindberg, L G, Oberg, P A
Format:	Artikel
Sprache:	eng
Schlagworte:	Hot Temperature Humans Light Plethysmography - instrumentation Skin - blood supply
Online-Zugang:	Volltext
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