Abstract

Various acoustical methods are currently being utilized to manipulate the radial oscillations of single bubbles undergoing sonoluminescence. Previous measurements have shown that the addition of higher harmonics to the drive frequency [J. Holzfuss, R. Mettin, and W. Lauterborn (private communication)] can result in an increase in the light intensity by as much as 50%. The radial response is also dramatically affected by the addition of higher harmonics. Nonlinear bubble dynamics equations agree well with the measured radial response. This and related work will be described. [Work supported by NSF and under the auspices of the U. S. Department of Energy at Lawrence Livermore National Laboratory under Contract No. W-7405-Eng-48.]

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