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Scanning laser acoustic microscope with digital data acquisition (1987)

Rudd, E. P. ; Mueller, R. K. ; Robbins, W. P. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 58 (1987), S. 45-53

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ISSN: 1089-7623

Source: AIP Digital Archive

Topics: Physics , Electrical Engineering, Measurement and Control Technology

Notes: A scanning laser acoustic microscope (SLAM) is described. The SLAM achieves a resolution of about 10 μm and is capable of imaging subsurface features at depths up to several millimeters, using appropriate reconstruction algorithms. The various components of the apparatus, both acousto-optical and electronic, are described. A major feature of the SLAM is a digital data-acquisition system capable of storing and processing the complex acoustic field in images with 256×256-pixel resolution. An array processor enables most floating-point operations to be completed in a few seconds. Examples of acoustic images obtained from a test sample are presented.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1139565

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