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- Title
Peculiarities of light propagation in chiral liquid crystal cells in an external electric field.
- Authors
Aksenova, E.; Divinskii, B.; Karetnikov, A.; Karetnikov, N.; Kovshik, A.; Kryukov, E.; Romanov, V.
- Abstract
We investigate the propagation of the extraordinary ray in a cell with a chiral liquid crystal at oblique incidence. For a 180° twist cell, we study the dependence of the minimum incidence angle at which the light does not yet pass through the cell on the applied voltage. The orientational structure of a liquid crystal in an external electric field has been calculated by directly minimizing the free energy. This has allowed the ray trajectories and the limiting refraction angles to be determined. The results of our calculations are consistent with the experiment. We show that allowance for the electric field nonuniformity in a chiral system is important for agreement between theory and experiment.
- Subjects
LIGHT propagation; CHIRALITY; LIQUID crystals; ATOMS in external electric fields; DOUBLE refraction; ELECTRIC fields
- Publication
Journal of Experimental & Theoretical Physics, 2014, Vol 118, Issue 2, p323
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776114010221