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Absolute photoacoustic thermometry in deep tissue.

Publication ,  Journal Article
Yao, J; Ke, H; Tai, S; Zhou, Y; Wang, LV
Published in: Optics letters
December 2013

Photoacoustic thermography is a promising tool for temperature measurement in deep tissue. Here we propose an absolute temperature measurement method based on the dual temperature dependences of the Grüneisen parameter and the speed of sound in tissue. By taking ratiometric measurements at two adjacent temperatures, we can eliminate the factors that are temperature irrelevant but difficult to correct for in deep tissue. To validate our method, absolute temperatures of blood-filled tubes embedded ~9 mm deep in chicken tissue were measured in a biologically relevant range from 28°C to 46°C. The temperature measurement accuracy was ~0.6°C. The results suggest that our method can be potentially used for absolute temperature monitoring in deep tissue during thermotherapy.

Duke Scholars

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Published In

Optics letters

DOI

EISSN

1539-4794

ISSN

0146-9592

Publication Date

December 2013

Volume

38

Issue

24

Start / End Page

5228 / 5231

Related Subject Headings

  • Thermography
  • Temperature
  • Sound
  • Photoacoustic Techniques
  • Optics
  • Mammary Glands, Animal
  • Animals
  • 5102 Atomic, molecular and optical physics
  • 4009 Electronics, sensors and digital hardware
  • 4006 Communications engineering
 

Citation

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Yao, J., Ke, H., Tai, S., Zhou, Y., & Wang, L. V. (2013). Absolute photoacoustic thermometry in deep tissue. Optics Letters, 38(24), 5228–5231. https://doi.org/10.1364/ol.38.005228
Yao, Junjie, Haixin Ke, Stephen Tai, Yong Zhou, and Lihong V. Wang. “Absolute photoacoustic thermometry in deep tissue.Optics Letters 38, no. 24 (December 2013): 5228–31. https://doi.org/10.1364/ol.38.005228.
Yao J, Ke H, Tai S, Zhou Y, Wang LV. Absolute photoacoustic thermometry in deep tissue. Optics letters. 2013 Dec;38(24):5228–31.
Yao, Junjie, et al. “Absolute photoacoustic thermometry in deep tissue.Optics Letters, vol. 38, no. 24, Dec. 2013, pp. 5228–31. Epmc, doi:10.1364/ol.38.005228.
Yao J, Ke H, Tai S, Zhou Y, Wang LV. Absolute photoacoustic thermometry in deep tissue. Optics letters. 2013 Dec;38(24):5228–5231.
Journal cover image

Published In

Optics letters

DOI

EISSN

1539-4794

ISSN

0146-9592

Publication Date

December 2013

Volume

38

Issue

24

Start / End Page

5228 / 5231

Related Subject Headings

  • Thermography
  • Temperature
  • Sound
  • Photoacoustic Techniques
  • Optics
  • Mammary Glands, Animal
  • Animals
  • 5102 Atomic, molecular and optical physics
  • 4009 Electronics, sensors and digital hardware
  • 4006 Communications engineering