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  4. Holographic reconstruction by backpropagation of defect images obtained by scanning laser acoustic microscopy
 
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1989
Conference Paper
Title

Holographic reconstruction by backpropagation of defect images obtained by scanning laser acoustic microscopy

Abstract
Scanning Laser Acoustic Microscope (SLAM) images which are acoustic holograms can be improved by backpropagation in the Fourier domain of the displacement field measured at the surface of the sample. We applied this technique to delineate the size of defects in advanced ceramics.
Author(s)
Arnold, W.
Morsch, A.
Mainwork
WCNDT '89. 12th World Conference on Non-Destructive Testing. Proceedings  
Conference
World Conference on Non-Destructive Testing 1989  
Language
English
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Keyword(s)
  • akustische Holographie

  • akustische Mikroskopie

  • Keramik

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