| REORIENTATIONAL NONLINEAR PHENOMENA IN THIN NEMATIC LIQUID CRYSTAL LAYER |
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K. Brzd±kiewicz, W.K. Bajdecki, A. Kozanecka and M.A. Karpierz Faculty of Physics, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland |
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| In this paper the detailed study of the self-diffraction phenomena due to reorientational optical nonlinearity in nematic liquid crystalline cell is presented. The optical nonlinear effect is additionally modified by external low-frequency electric field. The dependence of nonlinear response on light polarization is also analyzed. The theoretical investigations are compared with experimental results and the theoretical predictions are in excellent agreement with experimental data. |
| DOI: 10.12693/APhysPolA.99.183 PACS numbers: 42.65.-k, 42.70.Df |