Preliminary Communication. Refractive index of a sheared cholesteric polymer

J. M. Gilli LA 190 Physique de la Matière Condensée, Pare Valrose, 06034, Nice Cedex, France

G. Laivins LA 190 Physique de la Matière Condensée, Pare Valrose, 06034, Nice Cedex, France

P. Sixou LA 190 Physique de la Matière Condensée, Pare Valrose, 06034, Nice Cedex, France

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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Preliminary Communication. Refractive index of a sheared cholesteric polymer

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Preliminary Communication. Refractive index of a sheared cholesteric polymer

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