Abstract
In this paper, a computationally, inexpensive, size-integration method based on a modified Rayleigh-Plesset model is developed to predict backscatter spectra from groups of bubbles with various size distributions, incident acoustic amplitudes, and driving frequencies. The method was validated using experimentally measured spectra from contrast bubbles of various sizes: Optison®, Levovist®, ST68® microbubbles, and submicron bubbles. This method provides a computationally inexpensive means of examining backscatter spectrum from multiple bubbles, especially in predicting occurrence and relative amplitude of subharmonics and second harmonics.
Original language | English (US) |
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Pages (from-to) | 639-644 |
Number of pages | 6 |
Journal | IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control |
Volume | 53 |
Issue number | 3 |
DOIs | |
State | Published - Mar 1 2006 |
Funding
The authors would like to thank Prof. M. A. Wheatley and Dr. W. T. Shi for their valuable discussion. Additionally, H. R. Zheng acknowledges the support of CU Boulder Engineering Excellence Fund (EEF), GEERS fellowship on acoustics, and predoctoral fellowship grant (0515182Z) from the American Heart Association Pacific Mountain Affiliate. Manuscript received September 25, 2005; accepted October 10, 2005. This work was made possible in part by grants from NSF (EECS-0225405 and CTS-0421461) and NIH (HL72738 and 67393).
ASJC Scopus subject areas
- Instrumentation
- Electrical and Electronic Engineering
- Acoustics and Ultrasonics