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In vivo optically encoded photoacoustic flowgraphy.

Publication ,  Journal Article
Zhang, R; Wang, L; Yao, J; Yeh, C-H; Wang, LV
Published in: Optics letters
July 2014

We present an optically encoded photoacoustic (PA) flow imaging method based on optical-resolution PA microscopy. An intensity-modulated continuous-wave laser photothermally encodes the flowing medium, and a pulsed laser generates PA waves to image the encoded heat pattern. Flow speeds can be calculated by cross correlation. The method was validated in phantoms at flow speeds ranging from 0.23 to 11  mm/s. Venous blood flow speed in a mouse ear was also measured.

Duke Scholars

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Published In

Optics letters

DOI

EISSN

1539-4794

ISSN

0146-9592

Publication Date

July 2014

Volume

39

Issue

13

Start / End Page

3814 / 3817

Related Subject Headings

  • Rheology
  • Photoacoustic Techniques
  • Phantoms, Imaging
  • Optics
  • Optical Phenomena
  • Microscopy, Acoustic
  • Mice, Nude
  • Mice
  • Hemorheology
  • Equipment Design
 

Citation

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Zhang, R., Wang, L., Yao, J., Yeh, C.-H., & Wang, L. V. (2014). In vivo optically encoded photoacoustic flowgraphy. Optics Letters, 39(13), 3814–3817. https://doi.org/10.1364/ol.39.003814
Zhang, Ruiying, Lidai Wang, Junjie Yao, Cheng-Hung Yeh, and Lihong V. Wang. “In vivo optically encoded photoacoustic flowgraphy.Optics Letters 39, no. 13 (July 2014): 3814–17. https://doi.org/10.1364/ol.39.003814.
Zhang R, Wang L, Yao J, Yeh C-H, Wang LV. In vivo optically encoded photoacoustic flowgraphy. Optics letters. 2014 Jul;39(13):3814–7.
Zhang, Ruiying, et al. “In vivo optically encoded photoacoustic flowgraphy.Optics Letters, vol. 39, no. 13, July 2014, pp. 3814–17. Epmc, doi:10.1364/ol.39.003814.
Zhang R, Wang L, Yao J, Yeh C-H, Wang LV. In vivo optically encoded photoacoustic flowgraphy. Optics letters. 2014 Jul;39(13):3814–3817.
Journal cover image

Published In

Optics letters

DOI

EISSN

1539-4794

ISSN

0146-9592

Publication Date

July 2014

Volume

39

Issue

13

Start / End Page

3814 / 3817

Related Subject Headings

  • Rheology
  • Photoacoustic Techniques
  • Phantoms, Imaging
  • Optics
  • Optical Phenomena
  • Microscopy, Acoustic
  • Mice, Nude
  • Mice
  • Hemorheology
  • Equipment Design