Nonlinearities of an aperture-limited in-line far-field hologram.
In several papers, effects of film nonlinearity have been studied considering the off-axis holography. In this analysis, the case of the in-line far-field holography is considered. It is shown that the finite aperture effects influence both the number of extrema in the intensity distribution of an image and the edge smear of this image, while the nonlinearity produces a decrease of the contrast.
Ozkul
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Cheval Freres, S. A., Laser Department, B.P. 3004, 25045 Besancon Cedex, France.