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Theoretical and experimental research on the second harmonic of focused ultrasound in layered biological media

Xue Hong-Hui Liu Xiao-Zhou Gong Xiu-Fen Zhang Dong

Theoretical and experimental research on the second harmonic of focused ultrasound in layered biological media

Xue Hong-Hui, Liu Xiao-Zhou, Gong Xiu-Fen, Zhang Dong
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  • Abstract views:  3254
  • PDF Downloads:  833
  • Cited By: 0
Publishing process
  • Received Date:  14 January 2005
  • Accepted Date:  17 March 2005
  • Published Online:  20 November 2005

Theoretical and experimental research on the second harmonic of focused ultrasound in layered biological media

  • 1. 近代声学国家重点实验室,南京大学声学研究所,南京 210093

Abstract: Based on the Khokhlov-Zabolotkaya-Kuznetsov (KZK) equation in frequency-domain, a theoretical model of focused ultrasonic waves in the layered biological medium with consideration of the sound absorption, nonlinearity, boundary of the media and the diffraction of the source is presented. The propagation of focused ultrasonic waves for fundamental and second harmonic in the multi-layered biological media are numerically studied and compared with the experimental results. Good agreement of the theory with the measurement shows that this approach can effectively describe the second harmonic sound field in multi-layered biological media.

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