Table 3.
Summary of functional PA macroscopy systems’ specifications
| Ref. | System scale | Functionality and application | Transducer | Laser | Lateral resolution (μm) | Imaging depth (mm) | ||
|---|---|---|---|---|---|---|---|---|
| f (MHz) | Element | PRF | Wavelength (nm) | |||||
| [147] | PAMac | oxygen saturation | 50 | 1 | 1.3 k | 532, 555, 579, 606 | 40 | 2 |
| [85] | PAMac | Melanoma; total blood volume, vessel density, average vessel length, tortuosity, fractal number, lacunarity | 10–40, 40–120 | 1 | 1.4 k | 532, 555, 576, 606 | 16.4 | 1.5 |
| [150] | PAMac | multispectral whole body | 5, 40 | 1 | 10 | 532, 700, 850, 1064 | 590 | 30 |
| [156] | PAMac | dual-color lymph mapping | 5 | 1 | 10 | 707, 860 | 590 | 30 |
| [158] | PAMac | oxygen saturation | 5 | 1 | 10 | 750, 800, 850 | 590 | 30 |
f, center frequency; PRF, pulse repetition frequency; AR-PAM, acoustic-resolution photoacoustic microscope; PAMac, photoacoustic macroscope