Contrast inversion in the Lau phenomena implemented with a photorefractive grating
Ángel Toro, Luciano
Tebaldi, Myrian Cristina
Bolognini, Néstor Alberto
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It was implemented the Lau effect with a grating registered in a BSO crystal. Two different arrangement were analyzed. In both cases, it is possible to control the visibility and to produce the contrast inversion of fringes, by properly setting the pass plane orientation of an analyzer located at the crystal output.