Early dynamics of guest-host interaction in dye-doped liquid crystalline materials |
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| Authors: | Truong Thai V Xu Lei Shen Y R |
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| Affiliation: | Department of Physics, University of California, Berkeley, California 94720, USA. |
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| Abstract: | We have studied in detail the early dynamics of laser-induced molecular reorientation in a dye-doped liquid crystalline (LC) medium that exhibits a significant enhancement of the optical Kerr nonlinearity due to guest-host interaction. Experimental results agree quantitatively with theory based on a model in which the anisotropic dye excitation helps reorient the LC molecules through a mean-field intermolecular interaction. |
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