Holographic laser Doppler imaging of pulsatile blood flow

  title={Holographic laser Doppler imaging of pulsatile blood flow},
  author={Jeffrey Bencteux and Pierre Pagnoux and Thomas Kostas and S. Bayat and M. Atlan},
  journal={Journal of Biomedical Optics},
  • Jeffrey Bencteux, Pierre Pagnoux, +2 authors M. Atlan
  • Published 2015
  • Physics, Engineering, Medicine, Materials Science
  • Journal of Biomedical Optics
  • Abstract. We report on wide-field imaging of pulsatile motion induced by blood flow using heterodyne holographic interferometry on the thumb of a healthy volunteer, in real time. Optical Doppler images were measured with green laser light by a frequency-shifted Mach-Zehnder interferometer in off-axis configuration. The recorded optical signal was linked to local instantaneous out-of-plane motion of the skin at velocities of a few hundreds of microns per second and compared to blood pulse… CONTINUE READING
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