Abstract
An experimental procedure is described to measure diffuse LEED intensities in case of disordered adsorption on a crystalline substrate. It is shown how a TV-computer method using an image intensifier camera provides all facilities to collect the weak diffuse intensities throughout a large part of the reciprocal space. The importance of averaging and smoothing is emphasized as well as that of efficient data handling and speed in view of the large amount of data necessary to describe the spatial diffuse intensity distribution. Furthermore, it is shown how the data must be processed in order to be comparable to model calculations. The concrete surface system is O/W(100) and the corresponding theory-experiment fit is given as well.
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