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Nonlinear photonic crystals of strontium tetraborate: properties and radiation conversion to the VUV / A. S. Aleksandrovsky [et al.] // VI International symposium on modern problems of laser physics (MPLP'2013) : [Proceedings]. - 2013. - Ст. B1. - P. 197

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Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Vyunishev, A. M.; Zaitsev, A. I.; Зайцев, Александр Иванович; Trabs, P.; Noack, F.; Petrov, V.; Slabko, V. V.; Слабко, Виталий Васильевич; Radionov, N. V.; Радионов, Никита Вячеславович; "Modern problems of laser physics", International symposium(6 ; 2013 ; Aug. 25-31 ; Novosibirsk)
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Phase matched conversion of radiation in nonlinear photonic crystals of strontium tetraborate / A. S. Aleksandrovsky [et al.] ; ed.: C. Fabre, V. Zadkov // Proc. of SPIE. - 2011. - Vol. 7993. - Ст. 799302. - P. , DOI 10.1117/12.872943. - Cited References: 9 . - ISSN 0277-786X. - ISSN 978-0-819

РУБ Optics
Рубрики:
OPTICAL CRYSTALS
Кл.слова (ненормированные):
nonlinear photonic crystal -- strontium tetraborate -- second harmonic generation -- random quasi phase matching
Аннотация: Random quasi-phase-matched frequency doubling of fs pulses to the deep UV was obtained in 1D nonlinear photonic crystal (NPC) of strontium tetraborate. Tuning range of generated radiation is from 187.5 to 215 nm. The spectrum of generated radiation consists from series of peaks with the width of order of 1 angstrom. These peaks are the manifestation of the NPC band structure. Using fs oscillator as the fundamental radiation source, maximum average power of generated radiation is of order 1 mu W, the enhancement factor with respect to monodomain sample being of order of several hundred. The red rotational shift of NPC band structure is experimentally demonstrated.

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Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Zaitsev, A. I.; Зайцев, Александр Иванович; Ikonnikov, A. A.; Pospelov, G. I.; Slabko, V. V.; Слабко, Виталий Васильевич; Fabre, C. \ed.\; Zadkov, V. \ed.\; International Conference on Coherent and Nonlinear Optics(2010 ; Aug. ; 23-26 ; Kazan, Russia)
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Structural diagnostics of functional nanomaterials with the use of X-ray synchrotron radiation / N. N. Trofimova [et al.] // Nanotechnologies in Russia. - 2013. - Vol. 8, Is. 5-6. - P. 396-401, DOI 10.1134/S1995078013030191 . - ISSN 1995-0780
Кл.слова (ненормированные):
Experimental facilities -- Functional Nano materials -- Kurchatov synchrotron radiation -- Magnetic nano-particles -- Research capabilities -- Structural diagnostics -- Structural elements -- X-ray synchrotron radiation -- Nanostructured materials -- Synchrotron radiation
Аннотация: An experimental facility for the complex X-ray diagnostics of functional nanomaterials (Structural Materials Science beamline) installed at the Kurchatov Synchrotron Radiation Center is presented. The key structural elements of the beamline are described. The research capabilities of the facility are demonstrated by the example of transparent magnets and glasses with magnetic nanoparticles, which are promising for the design of magneto-optical data storage and spintronics devices.

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Публикация на русском языке Структурная диагностика функциональных наноматериалов с использованием рентгеновского синхротронного излучения // Российские нанотехнологии. - Москва : Парк-медиа, 2013. - Т. 8, № 5-6. - С. 108-112

Держатели документа:
National Research Center Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russian Federation
Faculty of Chemistry, Moscow State University, Moscow, 119991, Russian Federation
Moscow Institute of Physics and Technology (State University), Institutskii per. 9, Dolgoprudnyi, Moscow oblast, 141700, Russian Federation
Kirenskii Institute of Physics, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, ul. Vavilova 28, Moscow, 119991, Russian Federation

Доп.точки доступа:
Trofimova, N. N.; Veligzhanin, A. A.; Murzin, V.Y; Chernyshov, A. A.; Khramov, E. V.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Edel'man, I. S.; Эдельман, Ирина Самсоновна; Slovokhotov, Y. L.; Zubavichus, Y. V.
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Структурная диагностика функциональных наноматериалов с использованием рентгеновского синхротронного излучения / Н. Н. Трофимова [и др.] // Рос. нанотехнологии. - 2013. - Т. 8, № 5-6. - С. 108-112
Аннотация: Представлена экспериментальная установка комплексной рентгеновской диагностики функциональных наноструктурированых материалов – станция «Структурное материаловедение», установленная на Курчатовском источнике синхротронного излучения. Дано описание ключевых конструктивных элементов станции. Исследовательские возможности станции продемонстрированы на примере «прозрачных магнитов» – стекол с магнитными наночастицами, перспективных для дизайна устройств магнитооптического хранения информации и спинтроники.

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Переводная версия Structural diagnostics of functional nanomaterials with the use of X-ray synchrotron radiation. - [Б. м. : б. и.]

Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Трофимова, Н. Н.; Велигжанин, А. А.; Мурзин, В. Ю.; Чернышов, А. А.; Храмов, Е. В.; Заблуда, Владимир Николаевич; Zabluda, V.N.; Эдельман, Ирина Самсоновна; Словохотов, Ю. Л.; Зубавичус, Я. В.
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Response of a manganite-based magnetic tunnel structure to microwave radiation / N. V. Volkov [et al.] // Diffusion and Defect Data Pt.B: Solid State Phenomena. - 2012. - Vol. 190. - P. 125-128, DOI 10.4028/www.scientific.net/SSP.190.125 . - ISBN 978. - ISBN 9783037854365
Кл.слова (ненормированные):
Magnetic tunnel structure -- Microwave detection effect -- Spintronics -- Current flowing -- Current-in-plane geometry -- Magnetic tunnels -- Magnetization dynamics -- Microwave detection -- Non-Linearity -- Rectification effects -- Spin-polarized currents -- Voltage signals -- Magnetic materials -- Magnetoelectronics -- Manganese oxide -- Microwaves -- Magnetism
Аннотация: We demonstrate that a magnetic tunnel structure irradiated by microwaves can generate a significant voltage signal due to the rectification effect. The measurements were carried out using current-in-plane geometry with a current flowing parallel to the interfaces in the structure. A value of the microwave-induced voltage strongly depends on a bias current and can be driven by a magnetic field. The rectification effect is discussed both in "Classical" terms of nonlinearity of the current-voltage characteristic and using a mechanism that involves the interplay between the spinpolarized current and magnetization dynamics in the magnetic tunnel structure. В© (2012) Trans Tech Publications.

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Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Eremin, E. V.; Еремин, Евгений Владимирович; Patrin, G. S.; Патрин, Геннадий Семёнович; Kim, P. D.; Ким, Петр Дементьевич; Lee, C. G.; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
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Raman investigation of hydrostatic and nonhydrostatic compressions of OH- and F-apophyllites up to 8 GPa / S. V. Goryainov [et al.] // J. Raman Spectrosc. - 2012. - Vol. 43, Is. 3. - P. 439-447, DOI 10.1002/jrs.3049. - Cited References: 18. - This work was supported by the Siberian Division of RAS (Integration Project 109), the Russian Ministry of Science and Education and the CRDF (BRHE - REC-008 grant) and the Russian Foundation for Basic Research (RFBR-11-05-01121). . - ISSN 0377-0486

РУБ Spectroscopy
Рубрики:
RADIATION-INDUCED DEFECTS
   ALPHA-QUARTZ
   ROOM-TEMPERATURE
   MEMORY GLASS
   PRESSURE
   FLUORAPOPHYLLITE
   PHASE
   MODEL
Кл.слова (ненормированные):
Raman spectroscopy -- high pressure -- apophyllite -- layer silicate -- amorphization
Аннотация: Layer silicates F- and OH-apophyllites, KCa4Si8O20(F, OH)·8H2O, have been investigated by Raman spectroscopy at hydrostatic and nonhydrostatic pressures up to 8 GPa in diamond anvil cells using a 4 : 1 methanol–ethanol mix as pressure-transmitting medium. Our experiments show that at hydrostatic compression, apophyllites retain their crystalline states (i.e. no amorphization) up to 5 GPa. The wavenumbers of most bands exhibit linear dependences on pressure, except for a few ones, e.g. at 162 and 3565 cm–1 in OH-form (160.5 and 3558 cm–1 in F-form) that show nonlinear dependences. Nonhydrostatic compression with additional uniaxial loading induces amorphization of apophyllites. The majority of the bands in OH-apophyllite decreases markedly in intensity and shows considerable broadening under nonhydrostatic compression up to 3–6 GPa. In addition, the wavenumbers of several bands at nonhydrostatic compression exhibit considerable nonlinear dependences on pressure with strong hysteresis. These bands are mainly associated with vibrations of the interlayer ions and molecules and also of stretching and bending silicate sheets, hence being highly sensitive to the interlayer distance. Finally, we have calculated the lattice dynamics of F-apophyllite and interpreted the majority of bands, and these data are used to explain the complex baric behavior of the bands. Copyright © 2011 John Wiley & Sons, Ltd.

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Держатели документа:
[Goryainov, Sergei V.
Madyukov, Iliya A.] SB RAS, Inst Geol & Mineral, Novosibirsk 630090, Russia
[Goryainov, Sergei V.
Pan, Yuanming] Univ Saskatchewan, Dept Geol Sci, Saskatoon, SK S7N 5E2, Canada
[Goryainov, Sergei V.] Novosibirsk State Univ, Novosibirsk 630090, Russia
[Krylov, Alexander S.
Vtyurin, Alexander N.] SB RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Smirnov, Mikhail B.] St Petersburg State Univ, Fac Phys, St Petersburg 198504, Russia

Доп.точки доступа:
Goryainov, S. V.; Krylov, A. S.; Крылов, Александр Сергеевич; Pan, Y. M.; Madyukov, I. A.; Smirnov, M. B.; Vtyurin, A. N.; Втюрин, Александр Николаевич
}
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Effect of exposure to optical radiation and temperature on the electrical and optical properties of In2O3 films produced by autowave oxidation / I. A. Tambasov [et al.] // Semiconductors. - 2014. - Vol. 48, Is. 2. - P. 207-211, DOI 10.1134/S1063782614020286. - Cited References: 42. - This study was supported by the Ministry of Education and Science of the Russian Federation, Federal Targeted Program "Research and Development in Priority Fields of Development of the Science and Technology Complex of Russia for 2007-2013", state contract no. 14.513.11.0023. . - ISSN 1063-7826. - ISSN 1090-6479

РУБ Physics, Condensed Matter
Рубрики:
GAS SENSOR RESPONSE
   INDIUM OXIDE-FILMS
   THIN-FILMS
   HIGH-PERFORMANCE
   TIN OXIDE
   TRANSPARENT CONDUCTORS
   SUBSTRATE-TEMPERATURE
   ROOM-TEMPERATURE
   TRANSISTORS
   PHOTOREDUCTION
Аннотация: Indium-oxide films are synthesized by the autowave-oxidation reaction. It is shown that, upon exposure to optical radiation, the resistance of the films sharply decreases and the maximal relative change in the resistance is 52% at room temperature. Two resistance relaxation rates after termination of the irradiation, 15 Omega s(-1) during the first 30 s and 7 Omega s(-1) over the remaining time, are determined. The data of infrared spectroscopy of the films show that exposure to optical radiation induces a 2.4% decrease in the transmittance at a wavelength of 6.3 mu m. It is found that, after termination of the irradiation, the transmittance gradually increases with a rate of 0.006% s(-1). It is suggested that photoreduction is the dominant mechanism responsible for changes in the electrical and optical properties of the In2O3 films.

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Публикация на русском языке Влияние фотооблучения и температуры на электрические и оптические свойства пленок In2O3, полученных автоволновым окислением [Текст] / И. А. Тамбасов [и др.] // Физ. и техника полупроводников : Санкт-Петербургская издательская фирма "Наука" РАН, 2014. - Т. 48 Вып. 2. - С. 220-224

Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Siberian State Aerosp Univ, Krasnoyarsk 660037, Russia
Joint Stock Co Academician MF Reshetnev Informat, Zheleznogorsk 662972, Russia

Доп.точки доступа:
Tambasov, I. A.; Тамбасов, Игорь Анатольевич; Myagkov, V. G.; Мягков, Виктор Григорьевич; Ivanenko, A. A.; Иваненко, Александр Анатольевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Yozhikova, E. V.; Maksimov, I. A.; Ivanov, V. V.; Ministry of Education and Science of the Russian Federation [14.513.11.0023]
}
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Magnetic tunnel structures: Transport properties controlled by bias, magnetic field, and microwave and optical radiation / N. V. Volkov [et al.] // J. Magn. Magn. Mater. - 2012. - Vol. 324, Is. 21. - P. 3579-3583, DOI 10.1016/j.jmmm.2012.02.095. - Cited References: 15. - This study was supported by the RFBR, project no. 11-02-00367-a; the Presidium of the Russian Academy of Sciences, project no. 21.1; the Division of Physical Sciences of the Russian Academy of Sciences, project no. 2.4.4.1; the Siberian Branch of the Russian Academy of Sciences, integration projects nos. 5, 22 and 134, and the Federal Program (State contract no. NK-556P_15). . - ISSN 0304-8853

РУБ Physics, Condensed Matter + Materials Science, Multidisciplinary

Кл.слова (ненормированные):
Spintronics -- Magnetic tunnel junction -- High-frequency rectification -- Photoelectric effect
Аннотация: Different phenomena that give rise to a spin-polarized current in some systems with magnetic tunnel junctions are considered. In a manganite-based magnetic tunnel structure in CIP geometry, the effect of current-channel switching was observed, which causes bias-driven magnetoresistance, rf rectification, and the photoelectric effect. The second system under study, ferromagnetic/insulator/semiconductor, exhibits the features of the transport properties in CIP geometry that are also related to the current-channel switching effect. The described properties can be controlled by a bias, a magnetic field, and optical radiation. At last, the third system under consideration is a cooperative assembly of magnetic tunnel junctions. This system exhibits tunnel magnetoresistance and the magnetic-field-driven microwave detection effect. (C) 2012 Elsevier BY. All rights reserved.

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Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Eremin, E. V.; Еремин, Евгений Владимирович; Tarasov, A. S.; Тарасов, Антон Сергеевич; Rautskii, M. V.; Рауцкий, Михаил Владимирович; Varnakov, S. N.; Варнаков, Сергей Николаевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Patrin, G. S.; Патрин, Геннадий Семёнович; Moscow International Symposium on Magnetism(5 ; 2011 ; Aug. ; 21-25 ; Moscow)
}
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Response of a manganite-based magnetic tunnel structure to microwave radiation / N. V. Volkov [et al.] // J. Phys. D. - 2012. - Vol. 45, Is. 25. - Ст. 255301, DOI 10.1088/0022-3727/45/25/255301. - Cited References: 20. - This study was supported by the Russian Foundation for Basic Research, project no 11-02-00367-a; the Presidium of the Russian Academy of Sciences, program Fundamentals for Basic Research of Nanotechnology and Nanomaterials, project no 21.1; the Division of Physical Sciences of the Russian Academy of Sciences, program Spin-Dependent Effects in Solids and Spintronics, project no 2.4.4.1; the Siberian Branch of the Russian Academy of Sciences, integration projects nos 5 and 134; and the Federal target program Scientific and Pedagogical Personnel of Innovative Russia (State contract no NK-556P_15). . - ISSN 0022-3727

РУБ Physics, Applied
Рубрики:
IDENTICAL METALS
   JUNCTIONS
   RECTIFICATION
   SPINTRONICS
   MECHANISM
Аннотация: We demonstrate that a magnetic tunnel structure irradiated by microwaves can generate a typical voltage signal due to the rectification effect. We performed measurements in current-in-plane geometry when a current flows parallel to the interfaces in the structure. The value of the microwave-induced voltage strongly depends on the bias current and can be driven by a magnetic field. The rectification effect is discussed both in classical terms of nonlinearity of the current-voltage characteristics and within the mechanism involving the interplay between the spin-polarized current and the magnetization dynamics in the magnetic tunnel structure.

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Держатели документа:
[Volkov, N. V.
Rautskiy, M. V.
Eremin, E. V.
Patrin, G. S.
Kim, P. D.] Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
[Volkov, N. V.
Eremin, E. V.] Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia
[Patrin, G. S.] Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia
[Lee, C. G.] Changwon Natl Univ, Sch Nano & Adv Mat Engn, Chang Won 641773, Gyeongnam, South Korea

Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Rautskiy, M. V.; Рауцкий, Михаил Владимирович; Eremin, E. V.; Еремин, Евгений Владимирович; Patrin, G. S.; Патрин, Геннадий Семёнович; Kim, P. D.; Ким, Петр Дементьевич; Lee, C. G.
}
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10.

    Self-organized aggregation simulation of resonant nanoparticles in a laser field / V. V. Slabko [et al.] // 16th International Conference Laser Optics (LO 2014) : Proceedings : IEEE Computer Society, 2014. - Ст. ThR6-40, DOI 10.1109/LO.2014.6886372. - Cited References: 2 . - 6886372. - ISBN 978-1-4799-3884-1
Рубрики:
Engineering, Electrical & Electronic
   Optics
   Physics, Applied
Кл.слова (ненормированные):
dipole-dipole interaction -- interaction of laser radiation with matter -- nanoparticles -- nanostructures
Аннотация: Self-organized aggregation of nanoparticles in external resonant laser field is considered using Brownian dynamics model. Formation probabilities are calculated for the pair of particles in dependence on laser wavelength and mutual orientation of particles. Times required for aggregation are calculated. Possibility of efficient aggregation using pulsed laser is deduced. © 2014 IEEE.

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Доп.точки доступа:
Slabko, V. V.; Слабко, Виталий Васильевич; Tsipotan, A. S.; Ципотан, Алексей Сергеевич; Gerasimova, M. A.; Герасимова М. А.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; "Оптика лазеров", Международная конференция(16 ; 2014 ; 30 июня - 04 июля ; Санкт-Петербург); "Laser Optics", International conference(16 ; 2014 ; June 30 - July 04 ; St. Petersburg)
}
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11.

Val'kov, V. V.
Radiation-induced modification of the temperature dependence of the magnetic susceptibility of a 1D magnet / V. V. Val'kov, M. S. Shustin // JETP Letters. - 2014. - Vol. 100, Is. 7. - P. 455-462, DOI 10.1134/S0021364014190138. - Cited References: 28. - This work was supported by the Russian Foundation for Basic Research, project nos. 12-02-31130, 13-02-00523, and 13-02-98013. . - ISSN 0021-3640. - ISSN 1090-6487

РУБ Physics, Multidisciplinary
Рубрики:
SINGLE-CHAIN MAGNETS
   EASY-PLANE
   ARRANGEMENT
   MODEL
   IONS
Аннотация: TThe excitation spectrum of a catena-[FeII(ClO4)2{FeIII(bpca)2}]ClO4 anisotropic 1D magnet with alternating high-spin and low-spin iron ions has been calculated with the use of the diagrammatic technique for Hubbard operators. This has allowed establishing conformity with the Ising model, for which the magnetic susceptibility has been calculated by the transfer-matrix method. The introduction of a statistical ensemble taking into account the presence of chains with different lengths and iron ions with different spins has allowed describing the modification of the magnetic susceptibility under optical irradiation.

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Публикация на русском языке Вальков, Валерий Владимирович. Модификация температурной зависимости магнитной восприимчивости 1D-магнетика под действием облучения [Текст] / В. В. Вальков, М. С. Шустин // Письма в Журн. эксперим. и теор. физ. : Наука, 2014. - Т. 100 Вып. 7. - С. 510-517

Держатели документа:
Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Shustin, M. S.; Шустин, Максим Сергеевич; Вальков, Валерий Владимирович; Russian Foundation for Basic Research [12-02-31130, 13-02-00523, 13-02-98013]
}
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12.

    Bulgakov, E. N.
    Bloch bound states in the radiation continuum in a periodic array of dielectric rods / E. N. Bulgakov, A. F. Sadreev // Phys. Rev. A. - 2014. - Vol. 90, Is. 5. - Ст. 53801, DOI 10.1103/PhysRevA.90.053801. - Cited References: 35. - The work was supported by the Russian Science Foundation through Grant No. 14-12-00266. We acknowledge discussions with D. N. Maksimov. . - ISSN 1050-2947. - ISSN 1094-1622
   Перевод заглавия: Блоховские связанные состояния в радиационном континууме в периодической цепи диэлеткрических стержней

РУБ Optics + Physics, Atomic, Molecular & Chemical
Рубрики:
WAVE-GUIDE
   SCATTERING
   CYLINDERS
   CHANNEL
Аннотация: We consider an infinite periodic array of dielectric rods in vacuum with the aim to demonstrate three types of Bloch bound states in the continuum (BSCs): symmetry protected with a zero Bloch vector, embedded in one diffraction channel with nonzero Bloch vector, and embedded in two and three diffraction channels. The first and second types of the BSC exist for a wide range of material parameters of the rods, while the third occurs only at a specific value of the radius of the rods. We show that the second type supports the power flux along the array. In order to find BSCs we put forward an approach based on the expansion over the Hankel functions. We show how the BSC reveals itself in the scattering function when the singular BSC point is approached along a specific path in the parametric space.

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Доп.точки доступа:
Sadreev, E. N.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Russian Science Foundation [14-12-00266]
}
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13.

    Self-Assembly of nanoparticles controlled by resonant laser light / A. S. Tsipotan [et al.] // J. Sib. Fed. Univ. Math. Phys. - 2015. - Vol. 8, Is. 1. - P. 109-122 ; Журн. СФУ. Сер. "Математика и физика". - Cited References: 34. - This research was supported by Siberian Federal University under the grant F12 and by the Ministry of Education and Science of Russian Federation under the contract 14.А18.21.1942. . - ISSN 1997-1397
   Перевод заглавия: Самоорганизация наночастиц, контролируемая резонансным лазерным полем
Кл.слова (ненормированные):
Dipole-dipole interaction -- Interaction of laser radiation with matter -- Nanoparticles -- Nanostructures -- взаимодействие лазерного излучения с веществом -- дипольное взаимодействие -- наноструктуры -- наночастицы
Аннотация: The paper presents theoretical justification for the possibility of formation of nanoparticle structures with the predefined configuration. The process of formation is the self-organized aggregation of nanoparticles under the action of external resonant laser field. The formation of various nanostructures that contain metallic and semiconducting nanoparticles with resonances in the visible spectrum is considered in the dipole-dipole approximation.
Теоретически показана возможность формирования структур из наночастиц с заранее заданной конфигурацией. Это возможно благодаря явлению самоорганизации наночастиц под действием внешнего резонансного поля лазерного излучения. Формирование различных наноструктур, содержащих металлические и полупроводниковые наночастицы с резонансной длиной волны в видимой области, считалось в диполь-дипольном приближении.

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Держатели документа:
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Kirenskogo, 26Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, SB RASAkademgorodok, Krasnoyarsk, Russian Federation
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Svobodny, 79Krasnoyarsk, Russian Federation

Доп.точки доступа:
Tsipotan, A. S.; Ципотан, Алексей Сергеевич; Slabko, V. V.; Слабко, Виталий Васильевич; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Abuzova, N. V.; Абузова, Нина В.

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14.

Vetrov, S. Ya.
Anisotropy of nonlinear optical transmission at the edge of the photonic band gap of an apodized layered medium / S. Ya. Vetrov, I. V. Timofeev, A. V. Shabanov // Optics and Spectroscopy (English translation of Optika i Spektroskopiya). - 2008. - Vol. 104, Is. 5. - P. 751-755, DOI 10.1134/S0030400X08050172 . - ISSN 0030-400X
Кл.слова (ненормированные):
Anisotropy -- Light transmission -- Multilayers -- Photonic crystals -- Refractive index -- Spectrum analysis -- Transfer matrix method -- Multilayer structure -- Nonlinear effects -- Transmission spectrum -- Laser radiation
Аннотация: The effect of Kerr nonlinearity on the transmission of laser radiation in a one-dimensional photonic crystal has been investigated by the transfer-matrix method, modified to describe nonlinear effects. The crystal under study is a thin-film multilayer structure with a spatial distribution of the refractive index, which makes it possible to eliminate side bands in the transmission spectrum at each side of the photonic band gap and significantly increase the slope of the transmission curve. The transmission spectrum of such a photonic crystal structure has been studied for two opposite directions of laser radiation propagation. The anisotropy of nonlinear transmission is most pronounced near the edge of the photonic crystal band gap, which lies in the near-IR region. The proposed structure, having strong transmission anisotropy and sufficiently low reflection in the forward direction, can operate as an optical diode (analog of an electron diode). В© 2008 Pleiades Publishing, Ltd.

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Держатели документа:
Polytechnic Institute, Siberian Federal University, Krasnoyarsk, 660074, 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; Shabanov, A. V.; Шабанов, Александр Васильевич; Ветров, Степан Яковлевич
}
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15.

    Chepkasov, I. V.
    Analysis of thermal effects on copper nanoparticles synthesized from the gas phase / I. V. Chepkasov, Z. I. Popov // IOP Conf. Ser.: Mater. Sci. Eng. - 2015. - Vol. 81. - Ст. 012033, DOI 10.1088/1757-899X/81/1/012033. - Cited References:14
Рубрики:
DEVICES
   FILMS
Аннотация: Molecular dynamics method using the tight-binding potential to carry out simulation of ultrafast heating of the synthesized particles from the gas phase to a temperature T= 600K and T= 900K, at which the particles were kept about 10 ns. As a result of the simulation revealed that the method of ultrafast heating the particles to high temperatures virtually eliminates the possibility of a clusters of defective education, but as a result of the heat treatment, the some of investigated particles can disconnect (burst) into smaller clusters.

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Доп.точки доступа:
Popov, Z. I.; Попов, Захар Иванович; International Scientific Conference on Radiation-Thermal Effects and Processes in Inorganic Materials (Nov 03-08, 2014 ; Tomsk, Russia); International scientific conference on radiation-thermal effects and processes in inorganic materials(2015)
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16.

Generation of coherent vacuum UV radiation in randomly quasi-phase-matched strontium tetraborate / P. Trabs [et al.] // CLEO-SI : Optical Society of America, 2015. - P. 2267, DOI 10.1364/CLEO_SI.2015.STh3H.2. - Cited References:6 . - ISBN 9781557529688 (ISBN). - ISBN 2160-9020

РУБ Engineering, Electrical & Electronic + Optics + Physics, Applied
Рубрики:
CRYSTAL
NM
Аннотация: Tunable coherent radiation is generated in the VUV down to 121 nm using random quasi-phase-matching in strontium tetraborate, the shortest wavelength ever produced with a second-order nonlinear optical process in a solid-state material. © 2015 Optical Society of America.

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Доп.точки доступа:
Trabs, P.; Noack, F.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Petrov, V.; Conference on Lasers and Electro-Optics(2015 ; May ; 10-15 ; San Jose, California, US)
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17.

    Pichugin, K. N.
    Frequency comb generation by symmetry-protected bound state in the continuum / K. N. Pichugin, A. F. Sadreev // J. Opt. Soc. Am. B. - 2015. - Vol. 32, Is. 8. - P. 1630-1636, DOI 10.1364/JOSAB.32.001630. - Cited References:48. - Russian Foundation for Basic Research (RFBR) (03-02-00497). . - ISSN 0740. - ISSN 1520-8540
   Перевод заглавия: Генерация частотной гребенки при помощи связанного состояния в континууме

РУБ Optics
Рубрики:
RADIATION CONTINUUM
   DIMER
   MICRORESONATOR
   EVOLUTION
   CAVITIES
   BREAKING
   EQUATION
Аннотация: We study the dynamical response of two nonlinear microresonators coupled with a photonic crystal waveguide. We find a domain in the space of frequency and amplitude of the probing light where all stationary solutions are unstable. In this domain, scattered light carries multiple harmonics with equidistantly spaced frequencies [frequency comb (FC) effect]. Two identical resonators coupled with the waveguide support the symmetry-protected bound state in the continuum whose response is singular, as the amplitude of the injected wave tends to zero. As a result, the FC interval tends to zero when the amplitude of probing light diminishes, which paves the way for all-optical generation of waves with ultralow frequency. (C) 2015 Optical Society of America

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Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Пичугин, Константин Николаевич; Russian Foundation for Basic Research (RFBR) [03-02-00497]
}
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18.

    Bulgakov, E. N.
    Light trapping above the light cone in a one-dimensional array of dielectric spheres / E. N. Bulgakov, A. F. Sadreev // Phys. Rev. A. - 2015. - Vol. 92, Is. 2. - Ст. 023816, DOI 10.1103/PhysRevA.92.023816. - Cited References:62. - The work was supported by the Russian Science Foundation through Grant No. 14-12-00266. We acknowledge discussions with D. N. Maksimov. . - ISSN 1050. - ISSN 1094-1622
   Перевод заглавия: Захват света выше светового конуса в одномерной цепочке диэлектрических сфер

РУБ Optics + Physics, Atomic, Molecular & Chemical
Рубрики:
CLASSICAL ELECTROMAGNETIC SCATTERING
   ENERGY PHOTON DIFFRACTION
   BLOCH SURFACE-WAVES
   RADIATION CONTINUUM
   MULTIPLE-SCATTERING
   CONSUMMATE SOLUTION
   LINEAR ARRAYS
   BOUND-STATES
   MODES
   GUIDES
Аннотация: We demonstrate bound states in the first TE and TM diffraction continua (BSC) in a linear periodic array of dielectric spheres in air above the light cone. We classify the BSCs according to the symmetry specified by the azimuthal number m, the Bloch wave vector β directed along the array, and polarization. The most simple symmetry-protected TE and TM polarized BSCs have m=0 and β=0 and occur in a wide range of the radii of the spheres and dielectric constants. More complicated BSCs with m≠0 and β=0 exist only for a selected radius of the spheres at a fixed dielectric constant. We also find robust Bloch BSCs with β≠0 and m=0. We present also the BSCs embedded into two and three diffraction continua. We show that the BSCs can be easily detected by the collapse of the Fano resonance for scattering of electromagnetic plane waves by the array.

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia.
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia.

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Russian Science Foundation [14-12-00266]
}
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19.

    Muzalevskiy, K. V.
    Effects of organo-mineral structure of arctic topsoil on the own thermal radiation in the L-band / K. V. Muzalevskiy, L. Yury // Int. Sib. Conf. on Control and Communicat. (SIBCON 2015) : Proceedings : IEEE-Institute Electrical and Electronics Engineers, 2015, DOI 10.1109/SIBCON.2015.7147152 . - ISBN 9781479971022 (ISBN)
   Перевод заглавия: Влияние органо-минеральной структуры верхнего слоя арктической почвы на собственное тепловое излучение в L-диапазоне"
Кл.слова (ненормированные):
Artic tundra -- Mineral soil -- Organic soil -- Permafrost -- SMOS -- Soil temperature -- Atmospheric humidity -- Balloons -- Heat radiation -- Landforms -- Luminance -- Minerals -- Permafrost -- Permittivity -- Radiation effects -- Soils -- Temperature -- Artic tundra -- Mineral soils -- Organic soil -- SMOS -- Soil temperature -- Soil surveys
Аннотация: In this paper, the influence of organic-mineral Arctic tundra soils on own thermal radiation in the L-band was theoretically investigated. For modeling of brightness temperature there were used semi-empirical L-band Microwave Emission of the Biosphere (L-MEB) model. An integral part of this model is permittivity models of tundra organic and mineral soils, which links the brightness temperature with moisture, temperature and density of soil. The permittivity models were developed based on the measurements of the organic rich and mineral soil samples collected at the Vaskiny Dachi weather station test-site in Yamal peninsular. As a result, the potential error of soil temperature retrieval in case of layered and homogeneous organic-mineral soil are shown based on simulated brightness temperature at 1.4 GHz. © 2015 IEEE.

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Доп.точки доступа:
Lukin, Y. I.; Лукин, Юрий Иванович; Музалевский, Константин Викторович; International Siberian Conference on Control and Communications(11 ; 2015 ; May 21-23 ; Omsk)
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20.

Self-organized aggregation simulation of resonant nanoparticles in a laser field / V. V. Slabko [et al.] // International Conference Laser Optics : IEEE, 2014. - Cited References:2

РУБ Engineering, Electrical & Electronic + Optics + Physics, Applied

Кл.слова (ненормированные):
interaction of laser radiation with matter -- dipole-dipole interaction -- nanoparticles -- nanostructures
Аннотация: Self-organized aggregation of nanoparticles in external resonant laser field is considered using Brownian dynamics model. Formation probabilities are calculated for the pair of particles in dependence on laser wavelength and mutual orientation of particles. Times required for aggregation are calculated. Possibility of efficient aggregation using pulsed laser is deduced.

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Доп.точки доступа:
Slabko, V. V.; Слабко, Виталий Васильевич; Tsipotan, A. S. ; Ципотан, Алексей Сергеевич; Gerasimova, M. A.; Герасимова М. А.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; International Conference on Laser Optics(16 ; 2014 ; June 30-July 04 ; St Petersburg, Russia)
}
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