Table 3 Summary of functional PA macroscopy systems’ specifications
From: Functional photoacoustic imaging: from nano- and micro- to macro-scale
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 | 1.3Â 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 |