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Geometric parameters and sound velocities of the media used for the design of the double-focused transducer.
| Parameters | Value |
|---|---|
| Aperture size (mm) | 10 |
| Press-focusing focal length (mm) | 15 |
| Max. lens thickness (mm) | 0.67 |
| Standoff made of the lens material (mm) | 6.5 |
| Radius of lens curvature (mm) | 6 |
| Double-focusing focal length (mm) | 10 |
| Velocity of water (m/s) | 1480 |
| Velocity of lens (m/s) | 2650 |
