This acts like an acoustic lens because it is composed of lipids of differing densities.
2.
Focused ultrasound uses an acoustic lens to concentrate multiple intersecting beams of ultrasound on a target.
3.
The third room is an auditory fantasia called " Presence, " in which an acoustic lens is mounted in the dome roof.
4.
In 1973, the Quate group began the development of a concept, which utilized a confocal pair of acoustic lenses for focusing and detecting the ultrasonic energy.
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