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Wideband photoacoustic imaging in vivo with complementary frequency conventional ultrasound transducers
Frontiers in Physics
Photoacoustic (PA) signals are typically broadband in nature. The bandwidth of PA signals depends on the size distribution of the underlying chromophores. Typically, conventional ultrasound (US) transducers, designed for pulse-echo imaging, have limited bandwidth, which reduces their sensitivity to the broadband PA signal. The rejection of out-of-band signals impairs image reconstruction, leading to the loss of image details. Visualization of biological structures, in particular deep targetsdoi:10.3389/fphy.2022.954537 fatcat:olmo55c2szf5toplyhmrxjzs7i