Preliminary Communication. Refractive index of a sheared cholesteric polymer |
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| Authors: | J. M. Gilli G. Laivins P. Sixou |
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| Affiliation: | LA 190 Physique de la Matière Condensée , Pare Valrose, 06034, Nice Cedex, France |
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| Abstract: | Abstract After unwinding a cholesteric solution of a mesomorphic polymer by shear, we investigate the evolution of the refractive index. Two mechanisms with different time constants are observed, one corresponding to the cholesteric rewinding, the other to the reorientation of the cholesteric axes. |
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