Holographic Scanning Laser Acoustic Microscopy (HOLOSLAM): A New QNDE Tool

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1990
Authors
Wey, A. C.
Kessler, L.
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Altmetrics
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Acoustic microscopy is the name given to high frequency, 10 MHz to 3 GHz ultrasonic visualization. The scanning laser acoustic microscopy (SLAM) is an important branch of acoustic microscopy which uses ultrasound in the frequency range of 10 to 200 MHz to produce high resolution ultrasonic images.1,2 In contrast to other visual observation techniques, SLAM provides direct access to the structural elastic properties of solid materials and biological tissues. By using this technique, valuable insight can be gained into mechanisms responsible for the changes of elastic architecture over areas tens of microns in diameter.

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