Investigation shows effects of applied voltage on light polarization in cholesterics, indicating anchoring influences outcomes.
The effects of the incidence angle and applied voltage on the polarization state of light passing through a cholesteric (CLC) with tangential-conical boundary conditions are investigated. Both cases in which the CLC director on the input substrate is perpendicular or parallel to the light incidence plane are considered. The polarization azimuth following mode is characterized as a function of the incidence angle and voltage. The wavelength-independent mode of change in light polarization has been discovered. The influence of the helix pitch and CLC layer thickness on the realized modes parameters is in good agreement with theoretical predictions based on the Frank-Oseen approach.
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Kostikov et al. (2025) studied this question.
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