Experimental data are presented from a study of the focusing of single, submicrosecond pressure pulses in water. The effects of the initial amplitude distribution, the initial pressure level, and the geometric parameters of the opto-acoustic concentrator are studied. It is found that the focusing efficiency can be substantially enhanced by going from a bell-shaped distribution of the initial amplitude to an annular distribution.

Original languageEnglish
Pages (from-to)714-719
Number of pages6
JournalTechnical Physics
Issue number6
Publication statusPublished - 1 Dec 1998

Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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