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Composition and properties of the tissue-mimicking sample used for imaging system BSC estimates.
| Number density (g/l) | 4.07 |
| Bead type | Borosilicate |
| Sphere diameter range (μm) | 39–43 |
| Sound speed of spheres (m/s) | 5572 |
| Poisson’s ratio of spheres | 0.210 |
| Mass density of spheres (g/ml) | 2.38 |
| Background material | 2% agar in water, n-propanol |
| Density of sample (g/ml) | 1.00 |
| Sound speed of sample (m/s) | 1539 |
| Slope of attenuation coefficient (dB/cm-MHz) | 0.1 |
