A S Patra and Alika Khare 2005 J. Opt. A: Pure Appl. Opt. 7 535 doi:10.1088/1464-4258/7/10/003
A S Patra and Alika Khare1
Show affiliationsWe 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.
42.79.Ci Filters, zone plates, and polarizers
42.60.Jf Beam characteristics: profile, intensity, and power; spatial pattern formation
Issue 10 (October 2005)
Received 16 March 2005, accepted for publication 11 July 2005
Published 8 September 2005
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