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Shabanov, A. V.
Reflection spectrum of a cholesteric liquid crystal with structural defects / A. V. Shabanov, S. Y. Vetrov, A. Y. Karneev // JETP Letters. - 2004. - Vol. 80, Is. 3. - P. 181-184, DOI 10.1134/1.1808846. - Cited References: 13 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
MODES
Аннотация: An expression is obtained for the reflection coefficient of circularly polarized light normally incident on the film of a cholesteric liquid crystal with a variable helix pitch. It is shown that, in the case of a single defect (local change in the helix pitch), the spectrum of light reflection from a cholesteric acquires a dip corresponding to the defect mode. New qualitative features appear in the reflection spectrum of a cholesteric with two defects as the distance between them varies. (C) 2004 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Krasnoyarsk State Tech Univ, Krasnoyarsk 660074, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State Technical Unversity, Krasnoyarsk, 660074, Russian Federation

Доп.точки доступа:
Vetrov, S. Y.; Karneev, A. Y.; Шабанов, Александр Васильевич
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Vetrov, S. Y.
Localized electromagnetic modes and the transmission spectrum of a one-dimensional photonic crystal with lattice defects / S. Y. Vetrov, A. V. Shabanov // J. Exp. Theor. Phys. - 2001. - Vol. 93, Is. 5. - P. 977-984, DOI 10.1134/1.1427109. - Cited References: 26 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
BAND-GAP
   SPONTANEOUS EMISSION
   SUPERLATTICES
   WAVES
   PROPAGATION
   LIGHT
   EDGE
Аннотация: The properties of localized electromagnetic modes in a one-dimensional photonic crystal with a structural defect layer were studied. The role of the defect was played by an anisotropic nematic liquid crystal layer. The frequency and the damping factor of defect modes were shown to substantially depend on the defect layer thickness and the orientation of the optical axis of the nematic. The transmission spectra of photonic crystals with one and two lattice defects were studied. Taking into account the special feature of nematic liquid crystals distinguishing them from usual crystals, namely, large permittivity anisotropy, it was shown that the transmission spectrum of the photonic crystal could be controlled by varying the orientation of the optical axis of the nematic, for instance, under the action of an external electric field. (C) 2001 MAIK "Nauka/Interperiodica".

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Держатели документа:
Krasnoyarsk State Tech Univ, Krasnoyarsk 660074, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Shabanov, A. V.; Шабанов, Александр Васильевич
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Characteristics of the process of reorientation of bipolar drops of a nematic with rigidly fixed poles / A. V. Shabanov [et al.] // JETP Letters. - 1998. - Vol. 67, Is. 9. - P. 733-737, DOI 10.1134/1.567739. - Cited References: 9 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary

Аннотация: The director configuration in a bipolar drop of a nematic with rigidly fixed poles is calculated as a function of the electric field directed perpendicular to the symmetry axis of the drop. It is shown that the reorientation of the drop is a dual process: a threshold process in the region where the initial director orientation is orthogonal to the electric field, and a nonthreshold process elsewhere in the drop. A relation for determining the critical field is obtained. Experimental investigations of the characteristics of scattered light for a film of polymer-encapsulated liquid crystals confirm the computational results. (C) 1998 American Institute of Physics. [S0021-3640(98)01709-5].

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
L. V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, 660036 Krasnoyarsk, Russian Federation

Доп.точки доступа:
Shabanov, A. V.; Шабанов, Александр Васильевич; Presnyakov, V. V.; Zyryanov, V. Y.; Зырянов, Виктор Яковлевич; Vetrov, S. Y.
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Photonic crystals with resonantly absorbing defects / V. G. Arkhipkin [et al.] ; ed. Vetrov, SY // LFNM 2006: 8th International Conference on Laser and Fiber-Optical Networks Modeling, Proceedings : IEEE, 2006. - P. 313-316. - Cited References: 12 . - ISBN 1-4244-0233-6

РУБ Instruments & Instrumentation + Optics + Telecommunications
Рубрики:
MICROCAVITIES
DISPERSION
SPECTRA
Кл.слова (ненормированные):
photonic crystal -- photonic band gap -- resonantly absorbing gas -- light localization
Аннотация: We show that the defect mode of photonic crystal with resonantly absorbing gas in defect is splitted due to effects of linear absorption and dispersion of resonant atoms. The splitting and shape of the lines is very sensitive to an incidence-angle of radiation on PC. The cases of one and two defects are considered.

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Доп.точки доступа:
Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Myslivets, S. A.; Мысливец, Сергей Александрович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Shabanov, A. V.; Шабанов, Александр Васильевич; Vetrov, S. Ya.; Ветров, Степан Яковлевич; Timofeev, V. P.; Vetrov, S. Y. \ed.\; International Conference on Laser and Fiber-Optical Networks Modeling (8 ; 2006 ; Jun 29-Jul 01 ; Kharkiv)
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Vetrov, S. Y.
Transmission of Light through a Plane-Parallel Plate of a Two-Dimensional Resonant Photonic Crystal / S. Y. Vetrov, I. V. Timofeev, N. V. Rudakova // Phys. Solid State. - 2011. - Vol. 53, Is. 1. - P. 133-138, DOI 10.1134/S1063783411010355. - Cited References: 21. - This study was supported by the Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools (project no. NSh-7810.2010.3), the Federal Agency for Education of the Russian Federation within the State Program "Development of the Potential of the Higher School of the Russian Federation" (project no. RNP.2.1.1.3455), the Russian Academy of Sciences (program nos. 27.1 and 3.91), the Siberian Branch of the Russian Academy of Sciences (program nos. 5 and 144), and the Federal Agency for Science and Innovation of the Russian Federation within the Russian Federal Target Program "Scientific and Scientific-Pedagogical Personnel of the Innovative Russia" (state contract 02.740.11.0220). . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
DISPERSION
Аннотация: The transmission spectra of two-dimensional resonant photonic crystals of two types have been investigated. Crystals of one type consist of dielectric cylinders forming a square lattice filled by a resonant gas with mercury atoms, and crystals of the other type consist of cylindrical holes filled with a gas and forming a square lattice in a dielectric matrix. It has been established that characteristics of the spectrum of additional transmission arising in the band gap of the photonic crystal can be changed significantly by varying the gas pressure and the angle of incidence. It has been demonstrated that the calculated features in the transmission spectrum of the photonic crystal are stable with respect to a significant increase in the width of the atomic resonance.

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Публикация на русском языке Ветров, Степан Яковлевич. Прохождение света через плоскопараллельную пластинку двумерного резонансного фотонного кристалла [Текст] / С. Я. Ветров, И. В. Тимофеев, Н. В. Рудакова // Физ. тверд. тела. - 2011. - Т. 53 Вып. 1. - С. 133-138

Держатели документа:
[Vetrov, S. Ya.
Rudakova, N. V.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Timofeev, I. V.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Siberian Federal University, pr. Svobodnyi 79, Krasnoyarsk 660041, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Timofeev, I. V.; Тимофеев, Иван Владимирович; Rudakova, N. V.
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One-dimensional photonic crystals with a planar oriented nematic layer: Temperature and angular dependence of the spectra of defect modes / V. G. Arkhipkin [et al.] // J. Exp. Theor. Phys. - 2008. - Vol. 106, Is. 2. - P. 388-398, DOI 10.1134/S1063776108020179. - Cited References: 58 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
LIQUID-CRYSTAL
   TRANSMISSION SPECTRUM
   BANDGAP STRUCTURES
   PERIODIC STRUCTURE
   REFRACTIVE-INDEX
   LATTICE-DEFECTS
   LASER
   ENHANCEMENT
   SILICON
   MICROCAVITIES
Аннотация: Transmission spectra of a one-dimensional photonic crystal (PC) formed by two multilayer dielectric mirrors and a planar oriented layer of 5CB nematic liquid crystal (LC) that is sandwiched between these mirrors and serves as a structure defect are investigated experimentally. Specific features of the behavior of the spectrum of defect modes as a function of the angle of incidence of light on the crystal are studied for two polarizations: parallel and perpendicular to the director of the LC; the director either lies in the plane of incidence or is perpendicular to it. It is shown that, for the configurations considered, the maxima of the defect modes shift toward the short-wavelength region as the tilt angle of incidence radiation increases; this tendency is more manifest for the parallel-polarized component, when the director lies in the plane of incidence. In the latter case, the width of the photonic band gap (PBG) appreciably decreases. The temperature dependence of the polarization components of the transmission spectra of a PC is investigated in the case of normal incidence of light. The spectral shift of defect modes due to the variation of the refractive index of the LC at the nematic-isotropic liquid phase transition point is measured. It is shown that, in real PCs, the amplitude of defect modes decreases when approaching the center of the band gap, as well as when the number of layers in the dielectric mirrors increases. Theoretical transmission spectra of the PCs calculated by the method of recurrence relations with regard to the decay of defect modes are in good agreement with experimental data.

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Держатели документа:
[Arkhipkin, V. G.
Gunyakov, V. A.
Myslivets, S. A.
Gerasimov, V. P.
Zyryanov, V. Ya.
Vetrov, S. Ya.
Shabanov, V. F.] Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Gunyakov, V. A.; Гуняков, Владимир Алексеевич; Myslivets, S. A.; Мысливец, Сергей Александрович; Gerasimov, V. P.; Герасимов, Виктор Петрович; Zyryanov, V. Y.; Зырянов, Виктор Яковлевич; Vetrov, S. Y.; Shabanov, V. F.; Шабанов, Василий Филиппович
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VETROV, S. Y.
VIBRATION ATTENUATION IN MICROCRYSTALS INTERACTING WITH MATRICES / S. Y. VETROV // Fiz. Tverd. Tela. - 1985. - Vol. 27, Is. 5. - P. 1429-1435. - Cited References: 12 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Nanoparticle shape optimization for Tamm-plasmon-polariton-based organic solar cells in the visible spectral range / R. G. Bikbaev, S. Y. Vetrov, I. V. Timofeev, V. F. Shabanov // Photonics. - 2022. - Vol. 9, Is. 11. - Ст. 786, DOI 10.3390/photonics9110786. - Cited References: 28. - The reported study was funded by a grant of the President of the Russian Federation №MK-46.2021.1.2 . - ISSN 2304-6732
Кл.слова (ненормированные):
photonic crystal -- Tamm plasmon polariton -- organic solar cell
Аннотация: The effect of the shape of the nanoparticles and the polarization of incident light on the surface current density and the efficiency of an organic solar cell based on the Tamm plasmon polariton is investigated. In the cases of both elongated and flattened nanoparticles, it is shown that the efficiency of such a solar cell is increased when the electric field vector is parallel to the largest axis of the spheroid.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Bikbaev, R. G.; Бикбаев, Рашид Гельмединович; Vetrov, S. Y.; Timofeev, I. V.; Тимофеев, Иван Владимирович; Shabanov, V. F.; Шабанов, Василий Филиппович
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Control of transmission spectra of planar photonic crystal with LC defect / V. A. Gunyakov [et al.] // Proceedings of SPIE - The International Society for Optical Engineering / sponsors: SPIE Russia Chapter, P.N. Lebedev Physical Institute, Russia, Russian Foundation of Basic Research, Society for Information Display, Russia, European Office of Aerospace Research and Development ; XV International Symposium on Advanced Display Technologies (2006 ; 03.10 - 05.10 ; Moscow). - 2007. - 6637. - С. 66370L, DOI 10.1117/12.742890 . - ISBN 0819467847

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Источник статьи,
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Держатели документа:
Institute of Semiconductor Physics
Krasnoyarsk State Technical University
L.V. Kirensky Institute of Physics

Доп.точки доступа:
sponsors: SPIE Russia Chapter, P.N. Lebedev Physical Institute, Russia, Russian Foundation of Basic Research, Society for Information Display, Russia, European Office of Aerospace Research and Development; Gunyakov, V. A.; Гуняков, Владимир Алексеевич; Myslivets, S. A.; Мысливец, Сергей Александрович; Gerasimov, V. P.; Герасимов Виктор Петрович; Arkhipkin, V. G.; Архипкин Василий Григорьевич; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович; Shabanov, A. V.; Шабанов, Александр Васильевич; Vetrov, S. Y.; Kamaev, G. N.; XV International Symposium on Advanced Display Technologies(2006 ; 03.10 - 05.10 ; Moscow)
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10.

Thermooptical switching in a one-dimensional photonic crystal / V. A. Gunyakov [et al.] // Tech. Phys. Lett. - 2006. - Vol. 32, Is. 11. - P. 951-953, DOI 10.1134/S1063785006110137. - Cited References: 9 . - ISSN 1063-7850

РУБ Physics, Applied

Аннотация: The temperature dependence of the optical transmission spectrum of a one-dimensional multilayer photonic crystal structure with a central defect layer has been studied. The defect was represented by a nematic liquid crystal (5CB) layer with a homeotropic orientation. It is shows that the defect modes exhibit a 10-nm spectral shift due to a change in the refractive index of the liquid crystal in the course of heating-induced transition to the isotropic phase. A comparison of the experimental data to the results of heating-induced transition to the isotropic phase. A comparison of the experimental data to the results of numerical analysis shows the importance of allowance for the decay of defect modes.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk, Russia
Krasnoyarsk State Tech Univ, Krasnoyarsk, Russia
Russian Acad Sci, Inst Semicond Phys, Siberian Div, Novosibirsk 630090, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Krasnoyarsk State Technical University, Krasnoyarsk, Russian Federation
Institute of Semiconductor Physics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation

Доп.точки доступа:
Gunyakov, V. A.; Гуняков, Владимир Алексеевич; Gerasimov, V. P.; Герасимов, Виктор Петрович; Myslivets, S. A.; Мысливец, Сергей Александрович; Arkhipkin, V. G.; Архипкин, Василий Григорьевич; Vetrov, S. Y.; Kamaev, G. N.; Shabanov, A. V.; Шабанов, Александр Васильевич; Zyryanov, V. Y.; Зырянов, Виктор Яковлевич; Shabanov, V. F.; Шабанов, Василий Филиппович
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