Fig. 57 (abstract A47).From: 5th International Symposium on Focused UltrasoundIntensity gain along the central longitudinal axis for the end-firing assembly as a function of lens focal length, as simulated in water. The 1.5 MHz tubular transducer was 8 mm OD x 20 mm height, leading to a 45 mm reflector/lens aperture diameterBack to article page