Noncontact continuous wavefront/diffractive acoustic elements for Rayleigh wave control

M. Clark, S. D. Sharples, Michael Geoffrey Somekh

Research output: Journal article publicationJournal articleAcademic researchpeer-review

3 Citations (Scopus)


A laser is used to excite Rayleigh waves on a sample. The optical distribution of the laser energy as it strikes the sample is controlled using a computer generated hologram - this optical distribution determines the initial acoustic wavefront and hence the acoustic amplitude distribution. In this letter, we present two designs of acoustic elements which use diffraction of the Rayleigh waves as a means of controlling the acoustic amplitude distribution.
Original languageEnglish
Pages (from-to)3604-3606
Number of pages3
JournalApplied Physics Letters
Issue number24
Publication statusPublished - 14 Jun 1999
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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