Abstract
We have analyzed peculiarities in the localization of light in a layer of a cholesteric liquid crystal (CLC) for the normal incidence of light. It is shown that dielectric boundaries strongly affect the localization. For the minimal influence of dielectric boundaries (i.e., for ns = \(\sqrt {{{\varepsilon }_{m}}} \)), the total field for the eigenmodes in the CLC layer varies smoothly upon a displacement along the z axis directed along the axis of the medium (here, εm is the mean permittivity of the CLC layer and ns is the refractive index of the external medium). When ns differs from \(\sqrt {{{\varepsilon }_{m}}} \) or when the polarization of incident light differing from the polarization of the eigenmodes, oscillations appear in the dependence of the energy of the total wave field in the CLC layer on z. It is shown that the amount of the energy stored in the CLC layer depends on ns, and the total accumulated energy in the CLC layer increases monotonically with ns.
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The study was supported by the project of the Ministry of Science and Higher Education of the Russian Federation FZNS-2020-0003 no. 0657-2020-0003.
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Gevorgyan, A.H., Golik, S.S. & Gevorgyan, T.A. On Peculiarities in Localization of Light in Cholesteric Liquid Crystals. J. Exp. Theor. Phys. 131, 329–336 (2020). https://doi.org/10.1134/S1063776120060047
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DOI: https://doi.org/10.1134/S1063776120060047