Transducer
Material: Zinc Oxide
Center Frequency (i.e., F): 400MHz
Radius: 383.00 μm
The Distance from the Transducer Plane (i.e., Plane 0) from the Back Focal Plane (i.e., ZL): 6,122.00 μm
Buffer Rod
Material: Sapphire (C-cut)
Longitudinal Wave Velocity (i.e., VL): 11,175.0 m/sec
Shear Wave Velocity (i.e., VS): 6,950.0 m/sec
Density: 3.98 kg/m3
Lens
Aperture Angle: 120°
Curvature of the Radius: 577.52 μm
Focal Distance (i.e., f): 577.52 μm
Matching Layer
Material: Silicon Oxide (i.e., SiO2)
Longitudinal Wave Velocity (i.e., AARCL): 5,970.0 m/sec
Shear Wave Velocity (i.e., AARCS): 3,760.0 m/sec
Density: 2.20 kg/m3
Table 1: Parameters of AL4M350 Acoustic Lens.