Vectorial fields with position-independent stochastic behavior within a certain region are analyzed. More specifically, we deal with the transverse components of this class of beamlike fields (the longitudinal component assumed to be negligible). The general form of the cross-spectral density tensor (CDT) of these fields is shown. Attention is also focused on the properties of these kinds of fields. Thus, among other characteristics, it is seen that the CDT of these fields can be written as the sum of two CDTs associated, respectively, to a totally polarized field and to an unpolarized field. It is also shown that, for such fields, a Young’s interference experiment can always be performed whose fringe visibility is optimized. This behavior has analytically been characterized by means of a certain parameter, valid for general beamlike fields. It is shown that, for the fields studied, this parameter reaches its maximum value.
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