Testing for inhomogeneity of the nonlinear parameter in an acoustic medium by ultrasonic phase conjugation

被引：0
|
作者：
S. V. Preobrazhenskiĭ
V. L. Preobrazhenskiĭ
P. Pernod
O. Bou Matar
机构：
[1] Russian Academy of Sciences,United European Laboratory LEMAC: Wave Research Center, Prokhorov Institute of General Physics
[2] Moscow State Institute of Radio Engineering,Institut d’Electornique, de Micro
[3] Electronics,electornique et de Nanotechnologie (IEMN
[4] and Automation,DOAE
[5] Ecole Centrale de Lille,UMR CNRS 8520)
来源：
Acoustical Physics | 2008年 / 54卷
关键词：
43.25.Ba;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The principle of applying a selective phase conjugation of the second harmonic of a focused ultrasonic wave to diagnosing inhomogeneity of the nonlinear parameter in an acoustic medium is considered. A solution to the three-dimensional problem of harmonic generation by phase-conjugated waves in a nonlinear medium with a localized isoechogenous inclusion is obtained. The signal amplitudes detected by a transmitting-receiving transducer at the second and forth harmonics of a probe wave are calculated for varying position of the inclusion relative to the focus.
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页码：15 / 19
页数：4
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