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The effect of phototautomerism on the nonlinearity of the liquid crystals |
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| Authors: | A. Jafari M. Abedi H. Tajalli |
| Affiliation: | a Department of Physics, Faculty of Science, Urmia University, Urmia, Iran b Shiraz Electronics Industries, Shiraz, Iran c Research Institute for Applied Physics and Astronomy, Tabriz University, Tabriz, Iran |
| Abstract: | The nonlinearity of hydroxy-azo dye doped liquid crystals is investigated and the effect of tautomerism is considered. The results indicate that, the nonlinearity of guest-host system can be affected by control of phototautomerism and incident light modulation. In special conditions, the variation of nonlinearity can be stable, so it can generate a stable refractive index pattern because of the optical reorientation of liquid crystal molecules. |
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