Multilaser photoplethysmography technique

New technique for parallel recording of reflection photoplethysmography signals in broad spectral band (violet to NIR) has been developed based on fiber-coupled laser irradiation and time-resolved spectrometric detection. Differences in photoplethysmography waveforms that were recorded simultaneousl...

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Veröffentlicht in:	Lasers in medical science 2008-04, Vol.23 (2), p.189-193
Hauptverfasser:	Gailite, L., Spigulis, J., Lihachev, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Blood Flow Velocity Dentistry Dermatology Humans Lasers Low-Level Light Therapy - instrumentation Low-Level Light Therapy - methods Medical research Medicine Medicine & Public Health Microcirculation Optical Devices Optics Original Article Photonics Photoplethysmography - instrumentation Photoplethysmography - methods Quantum Optics Signal Processing, Computer-Assisted - instrumentation Skin Skin - blood supply Skin Physiological Phenomena Vascular Resistance - physiology
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Beschreibung
Zusammenfassung:	New technique for parallel recording of reflection photoplethysmography signals in broad spectral band (violet to NIR) has been developed based on fiber-coupled laser irradiation and time-resolved spectrometric detection. Differences in photoplethysmography waveforms that were recorded simultaneously at different wavelengths confirmed the depth variety of the skin blood pulsation dynamics, thus the proposed methodology has a potential for application in skin microcirculation studies.
ISSN:	0268-8921 1435-604X
DOI:	10.1007/s10103-007-0471-9