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Characterization of the CFT-UT-PAM system. (a)-(c) Lateral resolutions measured at different positions of the fast-scanning axis. (d) Measurement of the axial resolution from the envelope of the RF signal of a resolution target. (e) Scanning range along the fast-scanning axis. (f) Detection sensitivity distribution along the fast-scanning axis. (g) The PA image of the whole mouse cortex vasculature through a cranial window.
