Two cuts of the diffraction intensity |Ψz(x, y)|2, one along a peak of a tooth, one along a trough, for a serrated occulter with 64 teeth of 10 mm. Black shows the trough of a tooth on the axis. Red plots the peak of a tooth on the axis. Panel a: full range, in logarithmic scale. Panel b: zoom in the central region [0, 500 μm], in linear scale. Panel c: transition region between shadow and light around 710 mm, in linear scale.