We report the observation of orientational gratings induced by the photorefractive effect in dye-doped polymer-dispersed liquid crystals. The photorefractive origin of the grating-induction effect is supported by the results of two-beam coupling experiments and by the possibility of erasing the grating by uniform illumination. For all the samples a stable memory effect was observed.
Orientational gratings in dye-doped polymer-dispersed liquid crystals induced by the photorefractive effect
MAZZULLA A;
1998
Abstract
We report the observation of orientational gratings induced by the photorefractive effect in dye-doped polymer-dispersed liquid crystals. The photorefractive origin of the grating-induction effect is supported by the results of two-beam coupling experiments and by the possibility of erasing the grating by uniform illumination. For all the samples a stable memory effect was observed.File in questo prodotto:
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Descrizione: Orientational gratings in dye-doped polymer-dispersed liquid crystals induced by the photorefractive effect
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