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  • The method of control parameters of acting focused ultrasonic fields on biological objects

    The article describes the method of controlling the parameters of the focused ultrasound field by means of the transition layer with desired acoustic characteristics. The article describes the experimental setup and the technological scheme. The description of the program and the formulas used for computer modeling. Presented and evaluated the results of experimental studies and computer modeling: the displacement of the focal point position on the width of the focal spot at the level of 0.707 of the maximum, location and the level of additional peaks. Summarizing the results of experimental setup and computer modeling can be concluded about the possibility of using the transition layer to control the formation of the focal spot.

    Keywords: Ultrasound, experimental assembly, layered medium, refraction, computer modelling, transition layer, parameter control, focused ultrasound