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Multilaser photoplethysmography technique

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Abstract

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.

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Acknowledgements

The authors L. Gailite and A. Lihackev are thankful to the European Social Fund for financial support.

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Authors and Affiliations

  1. Bio-optics and Fiberoptics Laboratory, Institute of Atomic Physics and Spectroscopy, University of Latvia, Riga, Latvia

    L. Gailite, J. Spigulis & A. Lihachev

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  1. L. Gailite
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  2. J. Spigulis
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  3. A. Lihachev
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Correspondence to L. Gailite.

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Gailite, L., Spigulis, J. & Lihachev, A. Multilaser photoplethysmography technique. Lasers Med Sci 23, 189–193 (2008). https://doi.org/10.1007/s10103-007-0471-9

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  • DOI: https://doi.org/10.1007/s10103-007-0471-9

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