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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 10 — Apr. 1, 2007
  • pp: 1754–1759

Simultaneous recording of skin blood pulsations at different vascular depths by multiwavelength photoplethysmography

Janis Spigulis, Lasma Gailite, Alexey Lihachev, and Renars Erts  »View Author Affiliations


Applied Optics, Vol. 46, Issue 10, pp. 1754-1759 (2007)
http://dx.doi.org/10.1364/AO.46.001754


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Abstract

A new technique for parallel recording of reflection photoplethysmography (PPG) signals in a broad spectral band (violet to near-infrared) has been developed, and its potential for assessment of blood microcirculation at various depths from the skin surface is discussed. PPG signals have been simultaneously detected at cw laser wavelength sets comprising 405, 532, 645, 807, and 1064 ‚ÄČ nm . Various signal baseline responses to breath holding and different shapes of the PPG pulses originated from the same heartbeat but recorded at different wavelengths have been observed, indicating a depth variety of the skin blood pulsation dynamics.

© 2007 Optical Society of America

OCIS Codes
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.4580) Medical optics and biotechnology : Optical diagnostics for medicine

ToC Category:
Optical spectroscopic imaging and diagnostics

History
Original Manuscript: June 29, 2006
Revised Manuscript: October 10, 2006
Manuscript Accepted: November 17, 2006
Published: March 13, 2007

Virtual Issues
Vol. 2, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Janis Spigulis, Lasma Gailite, Alexey Lihachev, and Renars Erts, "Simultaneous recording of skin blood pulsations at different vascular depths by multiwavelength photoplethysmography," Appl. Opt. 46, 1754-1759 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-10-1754

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