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  • Title: Full field detection in photoacoustic tomography.
    Author: Nuster R, Zangerl G, Haltmeier M, Paltauf G.
    Journal: Opt Express; 2010 Mar 15; 18(6):6288-99. PubMed ID: 20389652.
    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.
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