Analysis and removal of the systematic phase error in interferograms

Qifeng Yu; Klaus Andresen; Wolfgang Osten; Werner P. O. Jueptner

doi:10.1117/12.164606

1 May 1994 Analysis and removal of the systematic phase error in interferograms

Qifeng Yu, Klaus Andresen, Wolfgang Osten, Werner P. O. Jueptner

Author Affiliations +

Optical Engineering, Vol. 33, Issue 5, (May 1994). https://doi.org/10.1117/12.164606

Abstract

In an interferogram, the variation of intensity background and fringe amplitude displaces the fringe centerlines and gives rise to some systematic phase error if fringe tracking techniques are used. The behavior of this systematic phase error is analyzed in detail. This phase error oscillates from zero in the middle between bright and dark fringes to its extrema in both bright and dark fringe centerlines, but it is not accumulated over the whole image. A 2-D envelope transform with correct envelopes is proposed to remove the systematic phase error. To illustrate, some simulated fringe patterns are processed and analyzed.

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Qifeng Yu, Klaus Andresen, Wolfgang Osten, and Werner P. O. Jueptner "Analysis and removal of the systematic phase error in interferograms," Optical Engineering 33(5), (1 May 1994). https://doi.org/10.1117/12.164606

Published: 1 May 1994

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