All-optical scanning acoustic microscope: rapid phase imaging

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All-optical scanning acoustic microscope: rapid phase imaging

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An all-optical version of a scanning acoustic microscope is described. The electronic data acquisition system is a major advance on that previously reported, in that it is now capable of high speed acquisition of phase as well as amplitude images at 82 and 164 MHz.

Inspec keywords: computer-generated holography; acoustic microscopes; data acquisition; ultrasonic imaging

Other keywords: rapid phase imaging; electronic data acquisition system; high speed acquisition; 82 MHz; all-optical scanning acoustic microscope; 164 MHz; amplitude images

Subjects: Holography; Measurement by acoustic techniques; Ultrasonics, quantum acoustics, and physical effects of sound; Data acquisition systems; Sonic and ultrasonic equipment; Data gathering, processing, and recording, data displays including digital techniques; Computer-generated holography

References

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      • M. Clark , S.D. Sharples , M.G. Somekh , A.S. Leitch . Non-contacting holographic surface acoustic wave microscope. Electron. Lett. , 4 , 346 - 347
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      • M.G. Somekh , S.D. Sharples , M. Clark . Lamb wave contrast in non-contacting surface acoustic wave microscopy. Electron. Lett. , 21 , 1886 - 1887
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