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- Title
Extraordinary Ray Refraction in a Large Pitch Helical Medium.
- Authors
Aksenova, E. V.; Val'kov, A. Yu.; Karetnikov, A. A.; Kovshik, A. P.; Romanov, V. P.; Ryumtsev, E. I.
- Abstract
The phenomenon of extraordinary ray refraction in a helical liquid crystal with large (compared to the light wavelength) pitch has been studied by theoretical and experimental methods. At a sufficiently large angle of incidence relative to the pitch axis, the extraordinary ray exhibits reflection (reversal) from a certain layer of the medium. The ordinary ray, for which the system is optically isotropic, exhibits no such reflection. The experimental dependences of the transmitted and reflected (reversed) rays are described using the geometrical optics approximation taking into account the optical losses for scattering inside the liquid crystal. © 2004 MAIK “Nauka / Interperiodica”.
- Subjects
DOUBLE refraction; LIQUID crystals; LIGHT sources; OPTICAL reflection; REFRACTION (Optics); GEOMETRICAL optics; OPTICS
- Publication
Journal of Experimental & Theoretical Physics, 2004, Vol 99, Issue 5, p965
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/1.1842878