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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Timofeev I. V., Gunyakov V. A., Sutormin V. S., Myslivets S. A., Arkhipkin V. G., Vetrov S. Ya., Lee W., Zyryanov V. Ya.
Заглавие : Geometric phase and ο-mode blueshift in a chiral anisotropic medium inside a Fabry-Pérot cavity
Место публикации : Phys. Rev. E: American Physical Society, 2015. - Vol. 92, Is. 5. - Ст.052504. - ISSN 15393755 (ISSN), DOI 10.1103/PhysRevE.92.052504
Примечания : Cited References: 92. - This work was supported in part by Russian Foundation for Basic Research Grants No. 14-02-31248 and No. 15-02-06924; Ministry of Education and Science of the Russian Federation under the Government program, Project No. 3.1276.2014/K; and the Ministry of Science and Technology of Taiwan under Grant No. NSC 103-2923-M-009-003-MY3 through an NSC–SB RAS joint project
Предметные рубрики: NEMATIC LIQUID-CRYSTAL
DIMENSIONAL PHOTONIC CRYSTAL
OPTICAL-PROPERTIES
ELECTROMAGNETIC PROPAGATION
DISPLAYS
SYSTEMS
FILTER
LIGHT
CELL
FORMULATION
Аннотация: Anomalous spectral shift of transmission peaks is observed in a Fabry-Pérot cavity filled with a chiral anisotropic medium. The effective refractive index value resides out of the interval between the ordinary and the extraordinary refractive indices. The spectral shift is explained by contribution of a geometric phase. The problem is solved analytically using the approximate Jones matrix method, numerically using the accurate Berreman method, and geometrically using the generalized Mauguin-Poincaré rolling cone method. The o-mode blueshift is measured for a 4-methoxybenzylidene-4′-n-butylaniline twisted-nematic layer inside the Fabry-Pérot cavity. The twist is electrically induced due to the homeoplanar-twisted configuration transition in an ionic-surfactant-doped liquid crystal layer. Experimental evidence confirms the validity of the theoretical model. © 2015 American Physical Society.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gunyakov V. A., Timofeev I. V., Krakhalev M. N., Zyryanov V. Ya.
Заглавие : Polarization exchange of optical eigenmode pair in twisted-nematic Fabry-Perot resonator
Коллективы : Siberian Branch of the Russian Academy of Sciences under Complex Program II.2P [0356-2015-0410, 0356-2015-0411]; RFBR [17-42-240464]
Место публикации : Phys. Rev. E: American Physical Society, 2017. - Vol. 96, Is. 2. - Ст.022711. - ISSN 2470-0045, DOI 10.1103/PhysRevE.96.022711. - ISSN 2470-0053(eISSN)
Примечания : Cited References:30. - This work was partially supported by the Siberian Branch of the Russian Academy of Sciences under Complex Program II.2P (Projects No. 0356-2015-0410 and No. 0356-2015-0411). I.V.T. acknowledges the support by RFBR 17-42-240464.
Предметные рубрики: LIQUID-CRYSTAL
REFRACTIVE-INDEX
FORMULATION
FILTER
CELL
Аннотация: The polarization exchange effect in a twisted-nematic Fabry-Perot resonator is experimentally confirmed in the regimes of both uniform and electric-field-deformed twisted structures. The polarization of output light in the transmission peaks is shown to be linear rather than elliptical. The polarization deflection from the nematic director grows from 0 degrees to 90 degrees. angle and exchanges the longitudinal and transverse directions. Untwisting of a nematic by a voltage leads to the rotation of the polarization plane of light passing through the resonator. The polarization exchange effect allows using the investigated resonator as a spectral-selective linear polarizer with the voltage-controlled rotation of the polarization plane.
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