On Virtual Fringe Analysis Method In Focused Double-Exposure Speckle Photography

V. V. K. Karppinen

doi:10.1117/12.934430

16 June 1983 On Virtual Fringe Analysis Method In Focused Double-Exposure Speckle Photography

V. V. K. Karppinen

Proceedings Volume 0369, Max Born Centenary Conf; (1983) https://doi.org/10.1117/12.934430
Event: The Max Born Centenary Conference, 1982, Edinburgh, United Kingdom

Abstract

A virtual fringe analysis method can be applied to determine displacement vectors from speckle photographs. A diminishing of the visibility shifts dark and bright fringes from minima and maxima of the cosine. Then not only the bright fringes but the dark ones do give erroneous results. The analysing goemetry can increase a reduction of the visibility. This paper deals the fringe visibility of virtual fringes and its effect to the fringe shifts.

Citation Download Citation

V. V. K. Karppinen "On Virtual Fringe Analysis Method In Focused Double-Exposure Speckle Photography", Proc. SPIE 0369, Max Born Centenary Conf, (16 June 1983); https://doi.org/10.1117/12.934430

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