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Speckle Metrology

  • Axel Donges
  • Reinhard NollEmail author
Chapter
Part of the Springer Series in Optical Sciences book series (SSOS, volume 188)

Abstract

The formation of speckles while illuminating an object with a laser beam is described. Different types of speckle interferometers are presented to measure out-of-plane, in-plane or derivatives of object displacements. The set-up of an electronic speckle interferometer is shown and examples of applications are given ranging from deformation analysis of stressed mechanical components, the detection of internal flaws in foam parts or tires to the analysis of stationary vibrations of components.

Keywords

Interference Pattern Interference Fringe Speckle Pattern Object Surface Film Plane 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.nta Hochschule Isny—University of Applied SciencesIsnyGermany
  2. 2.Fraunhofer-Institut für LasertechnikAachenGermany

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