Fig. 2
Fresnel diffraction pattern |ΨA,0,0 (r)|2 for unitary on-axis point source at infinity, for the 710 mm radius occulting disc at z0 = 144.348 m. a) Full range, in logarithmic scale. b) Zoom in the Arago bright spot in the central region [0,500 μm], in linear scale. c) Transition region between shadow and light around 710 mm, in linear scale.
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