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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 4, Iss. 7 — Jul. 1, 2013
  • pp: 1229–1235

On-chip laser Doppler vibrometer for arterial pulse wave velocity measurement

Yanlu Li, Patrick Segers, Joris Dirckx, and Roel Baets  »View Author Affiliations

Biomedical Optics Express, Vol. 4, Issue 7, pp. 1229-1235 (2013)

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Pulse wave velocity (PWV) is an important marker for cardiovascular risk. The Laser Doppler vibrometry has been suggested as a potential technique to measure the local carotid PWV by measuring the transit time of the pulse wave between two locations along the common carotid artery (CCA) from skin surface vibrations. However, the present LDV setups are still bulky and difficult to handle. We present in this paper a more compact LDV system integrated on a CMOS-compatible silicon-on-insulator substrate. In this system, a chip with two homodyne LDVs is utilized to simultaneously measure the pulse wave at two different locations along the CCA. Measurement results show that the dual-LDV chip can successfully conduct the PWV measurement.

© 2013 OSA

OCIS Codes
(130.6750) Integrated optics : Systems
(280.3340) Remote sensing and sensors : Laser Doppler velocimetry

ToC Category:
Noninvasive Optical Diagnostics

Original Manuscript: May 17, 2013
Revised Manuscript: June 18, 2013
Manuscript Accepted: June 18, 2013
Published: June 27, 2013

Virtual Issues
Bio-Optics: Design and Applications (2013) Biomedical Optics Express

Yanlu Li, Patrick Segers, Joris Dirckx, and Roel Baets, "On-chip laser Doppler vibrometer for arterial pulse wave velocity measurement," Biomed. Opt. Express 4, 1229-1235 (2013)

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