Abstract
We report a two-dimensional non-observable square array illuminator using four polarized beams from two interferometers in tandem. The non-observable patterns were recorded with a polarizer in the output plane. The array pattern could be scanned over large longitudinal distances without any significant distortion. The fringe visibility of the interferograms was studied as a function of the relative state of polarization of the interfering beams. The polarization and delocalization properties of these patterns may potentially lead to some applications.
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