The goal of this work was to investigate numerically the dependence of the resolution and the imaging window size, provided by a cylindrically focused wideband piezoelectric detector in optoacoustic tomography, on the detector dimensions and frequency bandwidth. Analytical expressions found by O’Neil for a continuous spherically focused ultrasonic radiator were found to fit the numerical data accurately to within a constant factor. The range of application and limitations of these expressions were investigated.
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Khokhlova et al. (2008) studied this question.
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