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Proceedings Paper

Moire and spatial-carrier approaches to phase-shifting interferometry
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Paper Abstract

Modified wavefront analysis concepts for interferometric optical testing are presented, specifically: a moire fringes version of the temporal phase-shifting method and spatial-carrier phase-shifting. These techniques require working with a finite fringe observation field in the interferometer; therefore, additional analysis of the imaging optics is necessary. The influence of the interferometer construction and the chosen method of analysis upon the measurement error is discussed. Extended experimental and theoretical comparison of the techniques presented is given in order to fulfill a wide range of user requirements.

Paper Details

Date Published: 1 January 1992
PDF: 11 pages
Proc. SPIE 1553, Laser Interferometry IV: Computer-Aided Interferometry, (1 January 1992); doi: 10.1117/12.135290
Show Author Affiliations
Malgorzata Kujawinska, Warsaw Univ. of Technology (Poland)
Leszek A. Salbut, Warsaw Univ. of Technology (Poland)
Romulad Jozwicki, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 1553:
Laser Interferometry IV: Computer-Aided Interferometry
Ryszard J. Pryputniewicz, Editor(s)

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