Adaptive algorithm for interference fringe tracing

Vitaly G. Maximov; Valery A. Tartakovsky; Serge A. Chudinov

doi:10.1117/12.606308

15 December 2004 Adaptive algorithm for interference fringe tracing

Vitaly G. Maximov, Valery A. Tartakovsky, Serge A. Chudinov

Proceedings Volume 5743, Eleventh International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics; (2004) https://doi.org/10.1117/12.606308
Event: Eleventh International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2004, Tomsk, Russian Federation

Abstract

The paper presents an algorithm for analysis of the fringe interferogram, registered by the matrix CCD-camera. It is new version of classical method of extremal lines. After an interferogram preprocessing, the set of reference section of interferogram is processed to find of coordinates of extremal points of interference fringes. Then, beginning at these points, along each of fringes, extremal lines are traced. Direction of each extremal line is corrected using of correlation comparison of local sample of the interference fringe with adaptive adjusting model of this fringe during tracing. Coordinates of extremal lines serves nodes of interpolation of the phase for building of the phase surface within the whole aperture where interferogram is given.

Citation Download Citation

Vitaly G. Maximov, Valery A. Tartakovsky, and Serge A. Chudinov "Adaptive algorithm for interference fringe tracing", Proc. SPIE 5743, Eleventh International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, (15 December 2004); https://doi.org/10.1117/12.606308

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