Slit-enabled photoacoustic tomography (PAT) is a newly developed technique that improves the elevation resolution and signal to noise ratio of a linear array. The slit, placed along the transducer array focus, forms an array of virtual detectors with high receiving angle, which subsequently allows for three dimensional (3D) imaging with near-isotropic spatial resolution. Our development addressed the long-standing issue of high quality 3D imaging with a linear array and will have broad applications in preclinical and clinical imaging. This study presented the principle of slit-PAT and demonstrated its efficiency in phantom, animal, and human experiments.
Yuehang Wang, Depeng Wang, Yumiao Zhang, Jumin Geng, Ryan Hubbell, Jonathan F. Lovell, and Jun Xia, "Slit-enabled linear-array photoacoustic tomography with near isotropic spatial resolution in three dimensions," Proc. SPIE 10064, Photons Plus Ultrasound: Imaging and Sensing 2017, 100642P (Presented at SPIE BiOS: February 01, 2017; Published: 3 March 2017); https://doi.org/10.1117/12.2253049.
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