Zobrazeno 1 - 10
of 43
pro vyhledávání: '"V. Sergan"'
Publikováno v:
Journal of Molecular Liquids. 267:131-137
We developed an alignment method for control of the polar pretilt angle at the boundaries of a liquid crystal (LC) layer in a continuous range 2–90° by introducing a low-density polymer network. The network was formed as a result of the electric f
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Publikováno v:
Liquid Crystals. 40:72-82
A liquid crystal (LC) alignment technique has been developed that allows local control of the polar pretilt angle over the range of 0–90°. This was achieved through the formation of a polymer network localised in the vicinity of the LC cell substr
Publikováno v:
Journal of Display Technology. 3:29-35
Stereoscopic computer displays create a 3-D image by alternating two separate images for each of the viewer's eyes. Field-sequential viewing systems supply each eye with the appropriate image by blocking the wrong image for the wrong eye. In our work
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Autor:
Ekaterina V. Sergan, George N. Gibson
Publikováno v:
Journal of the Optical Society of America B. 34:1865
We expand upon previously published [Opt. Lett.37, 3279 (2012)OPLEDP0146-959210.1364/OL.37.003279] experimental results on third harmonic generation with a focused Gaussian beam in the semi-infinite limit, and compare these results with an analytical
Publikováno v:
SID Symposium Digest of Technical Papers. 31:838-841
We performed a complete study of optical properties of two crossed positive in-plane retarders (positive A-plates). We have shown that this configuration can improve the viewing angle performance of LCDs in much the same way as negative C-plate. The
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 330:95-100
We have investigated the relaxation process from a homeotropic structure to the planar one in a cholesteric liquid crystal. The relaxation occurs after switching off the electric field. We have developed a new experimental photography technique with
Publikováno v:
Liquid Crystals. 18:171-174
The angular dependence of the surface anchoring energy of the nematic liquid crystal 5CB on a bistable surface is measured using a twist-cell method. Anchoring bistability is obtained by a grazing SiO evaporation on glass. The data obtained are in go
Autor:
V. V. Sergan, Oleg D. Lavrentovich
Publikováno v:
Il Nuovo Cimento D. 12:1219-1222
The existence of the parity-breaking phase transition between untwisted and twisted bipolar structures of the tangentially anchored spherical nematic drops has been shown experimentally. Twisted structures behave like the optically active objects in