Figure 4

High-speed imaging of a lipid-mimicking phantom.
Photoacoustic (PA) image (A), ultrasound (US) image (B) and merged image (C) of a polyethylene (PE) tube. (D) Photoacoustic spectrum of the PE tube.
High-speed imaging of a lipid-mimicking phantom.
Photoacoustic (PA) image (A), ultrasound (US) image (B) and merged image (C) of a polyethylene (PE) tube. (D) Photoacoustic spectrum of the PE tube.