P3B-3 Comparison of an Angular Spectrum Method and a Green's Function Method for Nonlinear Propagation of Pulsed Acoustic Fields from Medical Phased Array Transducers

P3B-3 Comparison of an Angular Spectrum Method and a Green's Function Method for Nonlinear Propagation of Pulsed Acoustic Fields from Medical Phased Array Transducers

Predictions of nonlinear ultrasound beams of a medical phased array transducer, steered at 0, 22.5 and 45 degrees, and generated by a forward-wave and a full-wave numerical model are presented. The results from both models show a good agreement in the unsteered situation and in all fundamental field...

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Hauptverfasser: Huijssen, J., Verweij, M.D., de Jong, N.
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Sprache:eng
Schlagworte:
Acoustic arrays
Acoustic propagation
Acoustic pulses
Acoustic transducers
Biomedical acoustics
Biomedical transducers
Green's function methods
Nonlinear acoustics
Phased arrays
Ultrasonic transducers
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creator Huijssen, J.
Verweij, M.D.
de Jong, N.
description Predictions of nonlinear ultrasound beams of a medical phased array transducer, steered at 0, 22.5 and 45 degrees, and generated by a forward-wave and a full-wave numerical model are presented. The results from both models show a good agreement in the unsteered situation and in all fundamental field profiles, but they deviate significantly in the harmonic field profiles for the steered situations.
doi_str_mv 10.1109/ULTSYM.2007.438
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Acoustic arrays
Acoustic propagation
Acoustic pulses
Acoustic transducers
Biomedical acoustics
Biomedical transducers
Green's function methods
Nonlinear acoustics
Phased arrays
Ultrasonic transducers
title P3B-3 Comparison of an Angular Spectrum Method and a Green's Function Method for Nonlinear Propagation of Pulsed Acoustic Fields from Medical Phased Array Transducers
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