Table 1.
Super-resolution photoacoustic microscopy system specifications
| Ref. | System scale | Functionality and application | Transducer | Laser | Lateral resolution | Imaging depth | ||
|---|---|---|---|---|---|---|---|---|
| f (MHz) | Element | PRF | Wavelength (nm) | |||||
| [28] | SR-PAM | Nanoscale imaging, phase, topography | – | – | 2 k | 532 | 8 nm | Surface |
| [24] | SR-PAM | Nano crack identification | – | – | 2 k | 532 | 8 nm | Surface |
| [27] | OR-PAM | Microscale imaging, topography | 35 | 1 | 1 k | 532 | 1 μm | Surface |
| [25] | SR-PAM | Single mitochondria, cells | 40 MHz | 1 | 2.35 k | 532 | 88 nm | Cellular |
| [26] | SR-PAM | Single cells | 40 MHz | 1 | – | 532 | 120 nm | Cellular |
f, center frequency; PRF, pulse repetition frequency; OR-PAM, optical-resolution photoacoustic microscope; SR-PAM, super-resolution photoacoustic microscope; k, kHz