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Acoustic field analysis in lossy nonhomogeneous medium by the beam propagation method

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2 Author(s)
Oh, J.T. ; Syst. Dev. Center, Korea Telecom, Seoul, South Korea ; Park, S.B.

The beam profile of the acoustic wave produced by a disk transducer in lossy nonhomogeneous medium is calculated by the beam propagation method (BPM), which can be applied, in contrast to the conventional method, to a medium with arbitrary refractive index and attenuation coefficient distributions. The computed results agree quite well with the experimental data in the situations where the ray acoustics fails.<>

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Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on  (Volume:42 ,  Issue: 1 )