Interferometry

Fringe compensation measurement in holographic interferometry using phase-shifted interferograms

[+] Author Affiliations
Attila Ne´meth, Ja´nos Kornis, Zolta´n Fu¨zessy

Technical University of Budapest, Department of Physics, Budafoki u´t 8. Budapest, H-1111, Hungary

Opt. Eng. 39(12), 3196-3200 (Dec 01, 2000). doi:10.1117/1.1320781
History: Received Dec. 3, 1999; Accepted June 8, 2000
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Abstract

A new fringe compensation method for holographic interferometry is presented. Virtual displacement fields are used to compensate the displacement of the investigated object. The virtual displacement fields are built from phase-shifted reconstructions of the recorded interferogram. The sensitivity of the measurement can be changed after the recording of the interferogram. The fringe density at highly deformed points of the object can be decreased; the defect detection can be simplified. © 2000 Society of Photo-Optical Instrumentation Engineers.

© 2000 Society of Photo-Optical Instrumentation Engineers

Citation

Attila Ne´meth ; Ja´nos Kornis and Zolta´n Fu¨zessy
"Fringe compensation measurement in holographic interferometry using phase-shifted interferograms", Opt. Eng. 39(12), 3196-3200 (Dec 01, 2000). ; http://dx.doi.org/10.1117/1.1320781


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