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Acoustic parameters for numerical simulations.
| Materials | c (m/s) | ρ (kg/m3) | α0 (dB/MHz/cm) |
|---|---|---|---|
| Water | 1482 | 1000 | 3.02 × 10−5 |
| Cortical bone | 3100 | 2200 | 1.87–18.15 |
| Collimatora | 2410 | 1160 | 9.54 |
aCollimator 3D-printed using VeroClearTM. c: speed of sound, ρ: mass density, α0: ultrasound attenuation coefficient.
