Fig. 9

In vivo PAI using the fiber-laser ultrasound sensor. (a): Fast-scanning optical-resolution PAM of mouse ear; (b) and (c): In vivo imaging of the mouse brain (b) without and (c) with intact skull; (d): Three consecutive snapshots showing the negative contrast flow in a blood vessel; (e): In vivo photoacoustic computed tomography of a mouse brain; (f): In vivo endoscope image of a rat rectum [58, 59]