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The transducer parameters and theoretical resolution for the transducers used in this study at 37 °C.
| Center Frequency (MHz) | −6 dB Bandwidth (MHz) | −12 dB Bandwidth (MHz) | Focal length (μm) | Aperture width (μm) | Aperture angle (degrees) | Axial resolution (μm) | Lateral resolution (μm) |
|---|---|---|---|---|---|---|---|
| 205 | 130 | 180 | 500 | 500 | 60 | 5.1 | 7.4 |
| 375 | 250 | 350 | 300 | 300 | 60 | 3.0 | 4.2 |
| 1225 | 670 | 1020 | 40 | 55 | 100 | 1.3 | 1.2 |
