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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 5 — Mar. 1, 2009
  • pp: 671–673

M-mode photoacoustic particle flow imaging

Hui Fang and Lihong V. Wang  »View Author Affiliations

Optics Letters, Vol. 34, Issue 5, pp. 671-673 (2009)

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Recently, there has been growing interest in the development of photoacoustic flow measuring methods aimed to study microvascular blood flow in biological tissue. Here, we describe the M-mode photoacoustic particle flow imaging, using an optical resolution photoacoustic microscope equipped with a high-repetition-rate pulsed dye laser. We studied the flow of a diluted dyed particle suspension in a small tube embedded in a nonscattering medium as well as in a scattering medium simulating biological tissue. Potentially, the method can be applied to detect the flow speed of single red blood cells in a capillary.

© 2009 Optical Society of America

OCIS Codes
(120.7250) Instrumentation, measurement, and metrology : Velocimetry
(170.5120) Medical optics and biotechnology : Photoacoustic imaging

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: November 24, 2008
Manuscript Accepted: December 23, 2008
Published: February 26, 2009

Virtual Issues
Vol. 4, Iss. 5 Virtual Journal for Biomedical Optics

Hui Fang and Lihong V. Wang, "M-mode photoacoustic particle flow imaging," Opt. Lett. 34, 671-673 (2009)

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