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Proceedings Paper

Automatic Determination Of Regular-Grid Distribution Of Fringe Order In Interference Images
Author(s): Aleksander Sokolowski
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Paper Abstract

A computerized method of obtaining distribution of fringe order in points of regular grid from a skeletonized interferogram is prezented. This procedure is based on special algorithm of interpolation, named here as the quasi-gradient double-parabola method (OGP-method). This method is an improvement of the double-parabola method (DP-method). The procedure can be utilized as a subprogram in automated interpretation of interference images in different methods of optical metrology. The procedure can operate on microcomputers IBM PC/AT and compatible ones.

Paper Details

Date Published: 3 April 1989
PDF: 3 pages
Proc. SPIE 1121, Interferometry '89, (3 April 1989); doi: 10.1117/12.961265
Show Author Affiliations
Aleksander Sokolowski, University of Szczecin (Poland)


Published in SPIE Proceedings Vol. 1121:
Interferometry '89

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