A Numerical Analysis of Double-Aperture Interferences

Abstract

This paper treats the problem of diffraction of monochromatic field by two apertures under the conditions of normal incidence and linear polarization. We study the effect of diffraction and interferences by two thin apertures in the Fraunhofer region using Gauss approximation, where we introduce a birefringent wedge whose length is equal to the width of single aperture, we demonstrate the effect of the wedge's thickness on the intereference pattern.