Proceedings PaperColour Interference Bands Forming In The Near And Far Diffraction Regions Of Screen System
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The problems of colour interference bands forming in the double screen system are considered on the base of the theory of diffraction. It is shown that in the screen system the phenomenon of the selective filtration of diffracted waves arises when the conditions of the Lau effect are realized (they are typical for the near diffraction band). The theoretical grounds of selective filtration phenomenon in far diffraction band of the screen system are given. The peculiarities of colour interference bands forming in the far and near diffraction regions are analysed taking into account the spectral distribution function of the incoherent light source.