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Numerical studies of phase for the angular Talbot effect

Khebbache N., Djabi S. and Ferria K.

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Abstract. We provide a numerical study of phase observed at the angular Talbot effect for both one- and two-dimensional gratings. The effect allows for fractional self-imaging in the vicinity of the grating which is illuminated by the wave with a spherical front at different Talbot distances.

Keywords: Fraunhofer diffraction, Talbot effect, self-imaging

PACS: 42.25.Fx, 42.79.Dj
UDC: 535.42
Ukr. J. Phys. Opt. 16 165-170
doi: 10.3116/16091833/16/4/165/2015
Received: 24.04.2015

Анотація. У роботі представлено результати досліджень фази світлової хвилі на основі числового моделювання кутового ефекту Талбота для одно- і двовимірної ґраток. Ефект дає змогу спостерігати дробове самовідтворення зображення біля ґратки, опроміненої сферичними хвилями за умови різних відстаней Талбота. 
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