Journal
OPTICS LETTERS
Volume 37, Issue 3, Pages 311-313Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.37.000311
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- Italian Foreign Ministry
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Two-dimensional (2D) polarization patterns are achieved by the interference of two pairs of beams with perpendicular planes of incidence and orthogonal polarizations (i.e. linear or circular). In both cases, imposing a phase shift of pi/2 between consecutive beams contains the amplitude modulation of the optical field in the superposition region and, thus, pure 2D polarization patterns are created. The recording of these interference fields in a polarization-sensitive material, namely an amorphous azopolymer, creates reconfigurable 2D periodic microstructures with peculiar diffraction properties. (C) 2012 Optical Society of America
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