Optics of Cholesteric Liquid Crystals with Large Both Dielectric and Magnetic Anisotropies

Normal light transmission (reflection) through (from) a medium layer with a dielectric and magnetic helicity was discussed. The axes of dielectric permittivity tensor, , and magnetic permeability tensor, , as well as the medium helix axis are parallel each other and they are perpendicular to the bou...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2012-08, Vol.561 (1), p.185-193
Main Authors: Rafayelyan, M. S., Gevorgyan, A. H.
Format: Article
Language:English
Subjects:
42.70.Df
42.70.Qs
61.30.-v
78.67.-n
Cholesteric liquid crystals
Dielectrics
Diffraction
eigen polarizations
Helicity
Liquid crystal polymers
Mathematical analysis
Matrices
nanoparticles
photonic band gap
photonics
Reflection
superluminal propagation
Tensors
transmission
Ultraviolet radiation
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Summary:Normal light transmission (reflection) through (from) a medium layer with a dielectric and magnetic helicity was discussed. The axes of dielectric permittivity tensor, , and magnetic permeability tensor, , as well as the medium helix axis are parallel each other and they are perpendicular to the boundary surfaces. The reflection and transmission matrices are constructed, and the character of the eigen polarizations (EPs) of the reflected and transmitted waves are investigated. Particularly, it is shown that a certain transmission region can rise between the diffraction and mirror reflection regions, in certain conditions. A superluminal light propagation is observed in the transmission band, in certain conditions.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2012.687182