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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 26 — Dec. 24, 2007
  • pp: 18076–18081

Reconstruction of optical absorption coefficient maps of heterogeneous media by photoacoustic tomography coupled with diffusion equation based regularized Newton Method

Zhen Yuan, Qiang Wang, and Huabei Jiang  »View Author Affiliations


Optics Express, Vol. 15, Issue 26, pp. 18076-18081 (2007)
http://dx.doi.org/10.1364/OE.15.018076


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Abstract

We describe a novel reconstruction method that allows for quantitative recovery of optical absorption coefficient maps of heterogeneous media using tomographic photoacoustic measurements. Images of optical absorption coefficient are obtained from a diffusion equation based regularized Newton method where the absorbed energy density distribution from conventional photoacoustic tomography serves as the measured field data. We experimentally demonstrate this new method using tissue-mimicking phantom measurements and simulations. The reconstruction results show that the optical absorption coefficient images obtained are quantitative in terms of the shape, size, location and optical property values of the heterogeneities examined.

© 2007 Optical Society of America

OCIS Codes
(170.0110) Medical optics and biotechnology : Imaging systems
(170.5120) Medical optics and biotechnology : Photoacoustic imaging

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: September 10, 2007
Revised Manuscript: December 12, 2007
Manuscript Accepted: December 13, 2007
Published: December 18, 2007

Virtual Issues
Vol. 3, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Zhen Yuan, Qiang Wang, and Huabei Jiang, "Reconstruction of optical absorption coefficient maps of heterogeneous media by photoacoustic tomography coupled with diffusion equation based regularized Newton method," Opt. Express 15, 18076-18081 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-26-18076


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