Suppression of propagating second harmonic in ultrasound contrast imaging

@article{Krishnan1998SuppressionOP,
  title={Suppression of propagating second harmonic in ultrasound contrast imaging},
  author={Sumati Krishnan and J. D. Hamilton and Michael O'Donnell},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control},
  year={1998},
  volume={45},
  pages={704-711}
}
Contrast agents, such as bubbles, are used in ultrasound to enhance backscatter from blood. To increase contrast between these agents and tissue, nonlinear methods such as harmonic imaging can be used. Contrast is limited, however, by tissue second harmonic signals. We show that a major source of this signal is nonlinear propagation through tissue. In addition, we present methods to suppress this second harmonic generation. One simple approach is to decrease the f/number of the imaging system… CONTINUE READING
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