Vol. 4, issue 04, article # 3

pdf Terent'ev Yu. I. The axial intensity of a light beam as a function of the slit width derived on the basis of Young's description. // Atmospheric and oceanic optics. 1991. V. 4. No. 04. P. 353-362.
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The dependence of the axial light beam intensity on the width of a slit limiting a beam starting from the interference of the edge rays with the axial rays is explained. Expressions are derived for the half-width of a limiting slit and the intensities of the maxima and minima of the illumination that agree fairly well with the experimental data. The conditions are considered under which the significant amplification of the axial intensity oscillations is observed on the beam axis caused by the change of the width of a limiting slit with the intensity of the incident light and other experimental parameters being constant.