Process and device for generating spherical waves in the...

G - Physics – 10 – K

Patent

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G10K 11/18 (2006.01) A61B 5/117 (2006.01) A61B 8/08 (2006.01) G10K 11/08 (2006.01) G10K 11/22 (2006.01)

Patent

CA 2191695

The invention relates to a process and device for generating spherical waves in the ultrasound range. The problem addressed by the invention is that of producing perfect spherical waves in the ultrasonic range with high energy and a Gaussian intensity distribution. This is achieved with an arrangement in which sound waves emanating from a standard ultrasound emitter are compressed by surrounding devices and channelled into a single-mode wave guide which emits perfect spherical waves into free space.

L'invention concerne un procédé et un dispositif qui permettent de produire des ondes sphériques dans la gamme ultrasonore. L'invention vise à produire des ondes sphériques parfaites dans la gamme ultrasonore, qui soient très énergétiques et dont l'intensité ait une distribution gaussienne. A cet effet, les ondes sonores émanant d'un émetteur d'ondes ultrasonores classique sont comprimées sous l'effet d'influences environnantes et acheminées jusqu'à un guide d'ondes monomode qui libère des ondes sphériques parfaites dans l'espace libre.

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