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Shaparev, N. Y.
Ionizational increase of the transmittance of a gas / N. Y. Shaparev // Zhurnal Eksperimentalnoi Teor. Fiz. - 1981. - Vol. 80, Is. 3. - P. 957-963. - Cited References: 9 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary

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Optimization of the contrast and transmittance in one-polarizer PDFLC cells / V. Ya. Zyryanov, S. L. Smorgon, V. F. Shabanov [et al.] // Proceedings of the international display research conference "Asia Display'98". - 2009. - P. 1037-1039

Доп.точки доступа:
Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Smorgon, S. L.; Shabanov, V. F.; Шабанов, Василий Филиппович; Pozhidaev, E. P.; Andreev, A. L.; Kompanets, I. N.; Shin, S. T.; international display research conference "Asia Display'98"(18 ; 1998 ; Nov. 13 ; Seoul, Korea); Asia Display(18 ; 1998 ; Nov. 13 ; Seoul, Korea)
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Investigation of transmittance and small-angle light scattering by monolayer of liquid crystal droplets with modified boundary conditions / V. A. Loiko [et al.] // Mol. Cryst. Liquid Cryst. - 2012. - Vol. 561, Is. 1. - P. 194-202, DOI 10.1080/15421406.2012.687237. - Cited References: 24 . - ISSN 1542-1406

РУБ Crystallography
Рубрики:
NEMATIC DROPLETS
   ANOMALOUS DIFFRACTION
   APPROXIMATION
   FILM
Кл.слова (ненормированные):
Light modulation -- light scattering -- polymer dispersed liquid crystal -- optical transmittance
Аннотация: A numerical method for modelling transmittance and angular distribution of light scattered by a Polymer Dispersed Liquid Crystal (PDLC) film, containing droplets with inhomogeneous boundary conditions, is proposed. It is based on the anomalous diffraction approximation and an interference approximation. The internal structures of nematic LC droplets are calculated on the basis of the free energy minimization problem solution using the relaxation method. The results for a monolayer of spherical LC droplets with modified boundary conditions caused by the local increase of the concentration of surface-active ions at the polymer-LC interface are discussed.

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Доп.точки доступа:
Loiko, V. A.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Konkolovich, A. V.; Misckevich, A. A.; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Maschke, U.; International Topical Meeting: Optics of Liquid Crystals (14th ; Sept 25 - Oct 1, 2011 ; Yerevan, Armenia)
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Small-angle light scattering and transmittance of polymer film, containing liquid crystal droplets with inhomogeneous boundary conditions / V. A. Loiko [et al.] // J. Quant. Spectrosc. Radiat. Transf. - 2012. - Vol. 113, Is. 18. - P. 315-322, DOI 10.1016/j.jqsrt.2012.03.026. - Cited References: 28 . - ISSN 0022-4073

РУБ Spectroscopy
Рубрики:
NEMATIC DROPLETS
Кл.слова (ненормированные):
Liquid crystals -- Light scattering -- Soft matter -- Composite materials -- Polymer-dispersed liquid crystal films
Аннотация: Light scattering by a monolayer of oriented liquid crystal (LC) droplets in polymer matrix is considered. A method for modeling transmittance and angular distribution of scattered light by a monolayer of LC droplets with cylindrical symmetry of the director configuration is developed. It is based on the anomalous diffraction and interference approximations. The internal structures of nematic LC droplets are calculated on base of the free energy minimization problem solution using the relaxation method. The results for monolayers of spherical LC droplets with homogeneous and inhomogeneous boundary conditions are obtained. It is shown that for monolayers containing droplets with inhomogeneous boundary conditions of the "tangential-normal" type there is an asymmetry of the angular structure of the transmitted light over the polar angle. (c) 2012 Elsevier Ltd. All rights reserved.

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Доп.точки доступа:
Loiko, V. A.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Maschke, U.; Konkolovich, A. V.; Miskevich, A. A.; Conference on Electromagnetic and Light Scattering (13 ; 2011 ; Sept. ; 26-30 ; Taormina, Italy)
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Light passage through the polymer film of liquid crystal droplets with modified boundary conditions / V. A. Loiko [et al.] // Semiconductor Physics, Quantum Electronics and Optoelectronics. - 2013. - Vol. 16, № 1. - P. 185-189. - This work was performed under the aegis of the Integration Project and supported by the Belarusian Republican Foundation for Fundamental Research, Project No. F12SO-007
Кл.слова (ненормированные):
polymer dispersed liquid crystal -- transmittance -- scattering -- light modulation
Аннотация: A method to analyze coherent transmission coefficients and the small-angle light scattering structure of PDLC layer with homogeneous and inhomogeneous boundary conditions on the droplets surface is discussed. For PDLC films with inhomogeneous boundary conditions at the polymer -- liquid crystal interface, asymmetry of the angular structure of light scattering with respect to the polar angle is revealed. Besides, experimental results on transmittance are presented.

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Держатели документа:
B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Nezalezhnastsi ave., Minsk, 220072 Belarus
L.V. Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences Krasnoyarsk,660036, Russia

Доп.точки доступа:
Loiko, V. A.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Konkolovich, A. V.; Miskevich, A. A.
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The transmittance temperature dependence and spin glass-like behavior in the nanocomposite Fe – In2O3 thin films / I. A. Tambasov [и др.] // 11-я международная конференция "Взаимодействие излучений с твердым телом" (ВИТТ-15). - 2015. - P50-51

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Доп.точки доступа:
Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Platunov, M. S.; Платунов, Михаил Сергеевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Maygkov, V. G.; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Zhigalov, V. S.; Жигалов, Виктор Степанович; Savransky, D. S.; Савранский Д. С.; Yozhikova, E. V.; Ежикова Е. В.; "Взаимодействие излучений с твердым телом", международная конференция(11 ; 2015 ; сент. ; 23-25 ; Минск)
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    Experimental results and theoretical model to describe angular dependence of light scattering by monolayer of nematic droplets / V. A. Loiko [et al.] // J. Quant. Spectrosc. Radiat. Transf. - 2016. - Vol. 178: Electromagnetic and light scattering by nonspherical particles XV: Celebrating 150 years of Maxwell's electromagnetics. - P. 263-268, DOI 10.1016/j.jqsrt.2015.10.024. - Cited References:25 . - ISSN 0022-4073. - ISSN 1879-1352
   Перевод заглавия: Экспериментальные результаты и теоретическая модель, описывающая угловую зависимость рассеяния света монослоем капель нематика

РУБ Optics + Spectroscopy
Рубрики:
Dispersed liquid-crystals
   Inhomogeneous boundary-conditions
   Films
   Transmittance
   Radiation
Кл.слова (ненормированные):
Polymer-dispersed liquid crystal film -- Liquid crystal droplet -- Director -- configuration -- Light scattering -- Monolayer of droplets
Аннотация: Light scattering by a monolayer of bipolar nematic droplets encapsulated in polymer film is examined both experimentally and theoretically. A method for the simulation of the angular distribution of scattered light is based on the anomalous diffraction and interference approximations taking into account the director configuration within liquid crystal droplets and their bipolar axes orientation. The director configuration in nematic droplets is calculated using the relaxation method of the free energy minimization. The characteristics of the sample, including distribution of droplet sizes and shape anisometry, are measured in details. The experimental results and theoretical data agree closely with each other. (C) 2015 Elsevier Ltd. All rights reserved.

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Доп.точки доступа:
Loiko, V. A.; Krakhalev, M. N.; Крахалев, Михаил Николаевич; Konkolovich, A. V.; Prishchepa, O. O.; Прищепа, Оксана Олеговна; Miskevich, A. A.; Zyryanov, V. Ya.; Зырянов, Виктор Яковлевич; Conference on Electromagnetic and Light Scattering(15 ; June 21-26, 2015 ; Leipzig, Germany)
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Transmittance, polarization, and scattering by polymer films composed of liquid crystal droplets with homogeneous and inhomogeneous anchoring / V. A. Loiko [et al.] // 14th Eur. Conf. Liq. Cryst. (ECLC) : conf. programme / чл. нац. орг. и прогр. ком. V. Ya. Zyryanov. - 2017. - Ст. O20. - P. 8. - Библиогр.: 4

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Доп.точки доступа:
Zyryanov, V. Ya. \чл. нац. орг. и прогр. ком.\; Зырянов, Виктор Яковлевич; Loiko, V. A.; Zyryanov, V. Ya.; Konkolovich, A. V.; Miskevich, A. A.; European Conference on Liquid Crystals(14 ; 2017 ; June ; 25-30 ; Moscow); Московский государственный университет им. М.В. Ломоносова
}
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Flexible film broadband absorber based on diamond-graphite mixture and polyethylene / A. A. Ivanenko [et al.] // Opt. Mater. - 2017. - Vol. 73. - P. 388-392, DOI 10.1016/j.optmat.2017.08.041. - Cited References: 54. - This study was supported by the Russian Foundation for Basic Research (Grants No. 16-32-00302 мол_а), by the Council for Grants of the President of the Russian Federation (SP-317.2015.1), by Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research project No. 16-42-243059 р_мол_а and No. 16-48-242092 р_офи_м. . - ISSN 0925-3467
Кл.слова (ненормированные):
Flexible film broadband absorption -- Diamond-graphite mixture -- Polyethylene -- Reflectivity -- Transmittance
Аннотация: Flexible film broadband absorber based on diamond-graphite mixture and polyethylene was fabricated by hot pressing. The film thickness of the absorber was 90 μm. We have measured angular reflectivity, diffusional reflectivity and transmittance in the range 85–8000 cm−1 (117–1.25 μm) in order to determine the absorption. It was shown that room temperature pressing of mesh print with 250 μm step significantly reduces reflectivity of the absorber. The absorption was over 0.85 in the range 85–320 cm−1 (117–31.25 μm) and >0.98 in the range 320–8000 cm−1 (31.25–1.25 μm). We believe that the designed and manufactured absorber might become a promising material for optical devices where high broadband absorption and flexibility are required.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC Siberian Branch of Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Ivanenko, A. A.; Иваненко, Александр Анатольевич; Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Pshenichnaia, A. A.; Пшеничная, Анастасия Александровна; Shestakov, N. P.; Шестаков, Николай Петрович
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10.

Pyatnov, M. V.
Localized optical modes in a defect-containing liquid-crystal structure adjacent to the metal / M. V. Pyatnov, S. Ya. Vetrov, I. V. Timofeev // J. Opt. Soc. Am. B. - 2017. - Vol. 34, Is. 9. - P. 2011-2017, DOI 10.1364/JOSAB.34.002011. - Cited References: 44. - Russian Foundation for Basic Research (RFBR), Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund (17-42-240464). . - ISSN 0740-3224
Кл.слова (ненормированные):
Cholesteric liquid crystals -- Crystal defects -- Defects -- Liquid crystals -- Liquids -- Metals -- Optical Kerr effect -- Polarization -- Diffraction reflections -- External fields -- Field localization -- Maximum field intensity -- Metallic layers -- Polarization dependence -- Spectral properties -- Transmittance spectra -- Crystal structure
Аннотация: The possibility of the existence of localized optical modes with maximum field intensity at the interface between the metal and cholesteric liquid crystal is theoretically grounded. The system comprises a defect-containing cholesteric liquid crystal and a metal layer. It is established that the localization occurs at almost any defect thickness rather than only at the half-wave thickness, at which the loss of the polarization dependence of diffraction reflection and the absence of field localization are observed for the structure without the metallic layer. It is demonstrated that the spectral properties can be controlled by external fields affecting the liquid crystal. At large thicknesses of the cholesteric liquid crystal between the defect and the metallic layer, the spectrum contains the pronounced peaks corresponding to the edge modes. The results obtained open new opportunities for controlling the transmittance spectrum, polarization, and localization of light in optoelectronic elements based on the investigated system. © 2017 Optical Society of America.

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Держатели документа:
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Laboratory of Nonlinear Optics and Spectroscopy, Siberian Federal University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Vetrov, S. Ya.; Ветров, Степан Яковлевич; Timofeev, I. V.; Тимофеев, Иван Владимирович
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