Noncontact continuous wavefront/diffractive acoustic elements for Rayleigh wave control

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

doi:10.1063/1.123195

Noncontact continuous wavefront/diffractive acoustic elements for Rayleigh wave control

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

Research output: Journal article publication › Journal article › Academic research › peer-review

4 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	3604-3606
Number of pages	3
Journal	Applied Physics Letters
Volume	74
Issue number	24
DOIs	https://doi.org/10.1063/1.123195
Publication status	Published - 14 Jun 1999
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.123195

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abstract = "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.",

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AB - 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.

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DO - 10.1063/1.123195

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Noncontact continuous wavefront/diffractive acoustic elements for Rayleigh wave control

Abstract

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