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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 6 — Mar. 15, 2010
  • pp: 6288–6299

Full field detection in photoacoustic tomography

Robert Nuster, Gerhard Zangerl, Markus Haltmeier, and Günther Paltauf  »View Author Affiliations


Optics Express, Vol. 18, Issue 6, pp. 6288-6299 (2010)
http://dx.doi.org/10.1364/OE.18.006288


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Abstract

Imaging the full acoustic field around an object by use of an optical phase contrast method is used to accelerate the data acquisition in photoacoustic tomography. Images obtained with a CCD-camera at a certain time show a projection of the instantaneous pressure field in a given direction. In this work a reconstruction method is presented to obtain the two-dimensional initial pressure distribution by back propagating the observed wave pattern in Radon space. Numerical simulations are used to prove the accuracy of the reconstruction algorithm and to demonstrate a method for correcting limited data artifacts. Finally, the overall performance is shown with experimentally obtained data.

© 2010 OSA

OCIS Codes
(100.3190) Image processing : Inverse problems
(170.5120) Medical optics and biotechnology : Photoacoustic imaging

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: December 22, 2009
Revised Manuscript: March 3, 2010
Manuscript Accepted: March 10, 2010
Published: March 12, 2010

Virtual Issues
Vol. 5, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Robert Nuster, Gerhard Zangerl, Markus Haltmeier, and Günther Paltauf, "Full field detection in photoacoustic tomography," Opt. Express 18, 6288-6299 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-6-6288


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