Abstract

The results of computations of the intensity ripple in a rectangular raster produced by scanning with a spot of Gaussian profile are presented. These results can be used as an aid for estimating the amplitude of residual ripple in the flat-field display of a scanning system of given spot diameter and scan spacing. They can also provide an estimate of the maximum contrast with which such a system can display a test pattern of alternating black and white stripes parallel to the scans with an individual-stripe width equal to the scan spacing.

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