6533b838fe1ef96bd12a48fa
RESEARCH PRODUCT
Hybrid optical-digital method for local-displacement analysis by use of a phase-space representation.
Walter D. FurlanEnrique TajahuerceGenaro Saavedrasubject
business.industryComputer scienceMaterials Science (miscellaneous)Industrial and Manufacturing EngineeringDisplacement (vector)MetrologySpeckle patternOpticsInterference (communication)Position (vector)Phase spaceSpatial frequencySpeckle imagingBusiness and International Managementbusinessdescription
A method for evaluating the local deformation or displacement of an object in speckle metrology is described. The local displacements of the object in one direction are digitally coded in a one-dimensional specklegram. By optically performing the local spectrum of this pattern, one simultaneously achieves information about the local displacement and its spatial position. The good performance of this technique is demonstrated with computer-generated test signals.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2010-11-06 | Applied optics |