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Acoustooptic and elastic properties of NaBi(WO4)2 and LiBi(MoO4)2crystals / K. S. Aleksandrov [et al.] // Russ. Ultrason. - 1988. - Vol. 18, Is. 3. - P. 168-171 . - ISSN 0048-8828
Кл.слова (ненормированные):
Acoustooptical Devices--Materials -- Elasticity -- Lithium Compounds -- Sodium Compounds -- Acoustooptic Properties -- Bulk Acoustic Waves -- Elastic Properties -- Crystals
Аннотация: In recent years interest has been shown in crystals with the scheelite structure (point symmetry group 4/m) as promising materials for acoustooptic devices. However, nearly all the work done so far has been on the NaBi(MoO4)2 and PbMoO4 crystals. In this paper the authors give the results of a study of the elastic and acoustooptic properties of NaBi(WO4)2 and LiBi(MoO4)2 crystals from a series of isomorphic compounds with the scheelite structure carried out in order to determine the extent of the changes in the elastic and acoustooptic properties of this series of crystals when the structural elements are changed.

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Держатели документа:
USSR Acad of Sciences, Russian Federation

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Burkov, S. I.; Samkov, A. V.; Kholov, A.; Khafizov, S.Kh.; Shabanova, L. A.; Klevtsov, P. V.; Красноярский государственный университет
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Aksenov, S. V.
Spin-dependent nonequilibrium transport in a quadruple quantum-dot device / S. V. Aksenov // International Symposium "Spin Waves 2018" : Program. - 2018. - Sec. 2: Spintronics. - 2-1.

Материалы конференции,
Материалы конференции

Доп.точки доступа:
Аксенов, Сергей Владимирович; Российская академия наукФизико-технический институт им. А.Ф. Иоффе РАН; "Spin Waves", International Symposium(2018 ; июнь ; 3-8 ; Санкт-Петербург)
}
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Aleksandrov, K. S.
The study of elastic symmetry and anisotropy of elastic body waves in gneiss / K. S. Aleksandrov, G. T. Prodayvoda // Geophysical Journal International. - 1994. - Vol. 119, Is. 3. - P. 715-728 . - ISSN 0956-540X
Кл.слова (ненормированные):
anisotropy -- Elastic Properties -- elastic symmetry -- Elastic Wave Velocity -- gneiss -- Gneiss -- phase velocity -- polarization -- Ultrasonics -- Europe, Baltic Shield
Аннотация: Describes a method for determining the effective elastic constants of anisotropic rocks from the results of ultrasonic measurements of the phase velocity of elastic body waves with arbitrary directions of the wave normal in the absence of a priori information on the texture symmetry. The proposed method has been applied to the results of ultrasonic measurements of a twice-deformed gneiss sample from the Lodogian series of the Baltic Shield. Experimental findings conform to triclinic symmetry. -from Authors

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Держатели документа:
Inst of Physics, Siberian Div of Russian Acad Sci, Akademgorodok, Krasnoyarsk, Russia

Доп.точки доступа:
Prodayvoda, G. T.; Александров, Кирилл Сергеевич
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    Anisotropy of the electromechanical characteristics of SH-waves and Lamb waves in yttrium aluminum borate single crystals / P. P. Turchin, S. I. Burkov, V. I. Turchin [et al.] // J. Sib. Fed. Univ. Math. Phys. - 2022. - Vol. 15, Is. 1. - P. 80-87 ; Журн. СФУ. Матем. и физика, DOI 10.17516/1997-1397-2022-15-1-80-87. - Cited References: 24. - The study was carried out within the framework of the state assignment of the Ministry of Science and Higher Education of the Russian Federation (research project code FSRZ-2020-0011) . - ISSN 1997-1397. - ISSN 2313-6022
   Перевод заглавия: Анизотропия и электромеханические характеристики SH-волн и волн Лэмба в монокристаллах иттриевого алюмобората

РУБ Mathematics

Кл.слова (ненормированные):
surface acoustic, SH and Lamb waves -- piezoelectrics -- multiferroics -- yttrium aluminum borates -- поверхностные акустические, SH- и Лэмба волны -- пьезоэлектрики -- мультиферроики -- алюмоборат иттрия
Аннотация: The anisotropy of the electromechanical properties of SH-waves and Lamb waves in yttrium aluminum borates, which are nonmagnetic representatives of the RMe3(BO3)4 single crystals family (where R=Y, La-Lu; M=Fe, Al, Cr, Ga, Sc) with unique properties of magnetoelectrics and multiferroics, has been studied. In the process of the numerical simulation of the acoustic waves characteristics, the values of linear electromechanical constants of YAl3(BO3)4 single crystals, previously measured by ultrasonic pulse echo and quasi-static methods, have been used.
Исследована анизотропия электромеханичеких характеристик SH-волн и волн Лэмба в иттриевых алюмоборатах, которые являются немагнитным представителем семейства монокри- сталлов RMe3(BO3)4 (где R=Y, La-Lu; M=Fe, Al, Cr, Ga, Sc) с уникальными свойствами магнитоэлектриков и мультиферроиков. При численном моделировании характеристик акустических волн использованы значения линейных электромеханических постоянных монокристаллов YAl3(BO3)4, измеренных ранее ультразвуковым эхо-импульсным и квазистатическим методами.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk, Russia.
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk, Russia.

Доп.точки доступа:
Turchin, Pavel P.; Турчин, Павел Петрович; Burkov, S. I.; Turchin, Vladimir, I; Pletnev, Oleg N.; Chulkova, Marina Yu; Nechepuryshina, Anastasia G.; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0011]

}
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Antiferromagnetic resonance and phase diagram of HoFe3(BO3)4 [Text] / A. Pankrats, G. Petrakovskii [et al.] // International Symposium "Spin waves - 2009" : Saint Petersburg, Russia, June 7-12, 2009 : Simposium program. Abstracts. - 2009. - P40

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Доп.точки доступа:
Pankrats, A.; Petrakovskii, G. A.; Tugarinov, V.; Temerov, V.; Российская академия наук; Физико-технический институт им. А.Ф. Иоффе РАН; "Spin Waves", International Symposium(2009 ; JUN ; Saint-Petersburg)
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Aplesnin, S. S.
Formation of a spin density wave in copper metaborate by a spin polaron / S. S. Aplesnin // J. Phys.: Condens. Matter. - 2004. - Vol. 16, Is. 32. - P. 5907-5914, DOI 10.1088/0953-8984/16/32/023. - Cited References: 12 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
SOLITON LATTICE
CUB2O4
Кл.слова (ненормированные):
Absorption -- Correlation methods -- Electric fields -- Infrared radiation -- Magnetization -- Mathematical models -- Polarons -- Specific heat -- Intraband transition -- Optical conductivity -- Spin density waves -- Spin polaron -- Copper compounds
Аннотация: Formation of incommensurate three-dimensional magnetic order below T* similar to 10 K in CuB2O4 is explained on the basis of strong correlation between the holes and localized spins. The Kondo lattice model is analysed for the case where spin polarons are the elementary excitations. The origin of the low-temperature specific heat maximum at T similar to 5 K is associated with a displacement of the polaron band bottom. A set of anomalies in the temperature dependence of the conductivity, shift of the optical conductivity maximum in the range of energies 0.02-0.12 eV and decreasing of the infrared absorption intensity is predicted.

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

Доп.точки доступа:
Аплеснин, Сергей Степанович
}
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Arkhipkin, V. G.
Effect of electromagnatically induced transparency on spectrum of defect modes of photonic crystal - art. no. 67292H / V. G. Arkhipkin, S. A. Myslivets, I. V. Timofeev ; ed.: VN Belyi, KN Drabovich, KN Drabovich ; International Conference on Coherent and Nonlinear Optics (2007) // ICONO 2007: Coherent and nonlinear optical phenomena. Ser. proceedings of the society of photo-optical instrumentation engineers (SPIE) / International Conference on Coherent and Nonlinear Optics (2007) : SPIE-Int. Soc. Optical Engineering, 2007. - Vol. 6729. - P. H7292-H7292, DOI 10.1117/12.751966. - Cited References: 33 . - ISBN 0277-786X. - ISBN 978-0-8194-6886-4

РУБ Optics
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
   NONLINEAR OPTICS
   COHERENT MEDIA
   LIGHT
   MICROCAVITIES
   PULSES
Кл.слова (ненормированные):
photonic crystal -- defect mode -- photonic band gap -- localized mode -- electromagnetically induced transparency -- Defect mode -- Electromagnetically induced transparency -- Localized mode -- Photonic band gap -- Photonic crystal -- Crystal defects -- Dispersion (waves) -- Electromagnetic field effects -- Transparency -- Photonic crystals
Аннотация: The effect of electromagnetically induced transparency on the spectrum of defect modes of one-dimensional photonic crystal is discussed theoretically. Narrowing of defect mode linewidth is predicted due to nonabsorbing highly dispersive medium in defect layer.

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Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Timofeev, I. V.; Тимофеев, Иван Владимирович; Belyi, VN \ed.\; Drabovich, K. N. \ed.\; Архипкин, Василий Григорьевич; International Conference on Coherent and Nonlinear Optics(2007)
}
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Arkhipkin, V. G.
Transmission and reflection spectra of a photonic crystal with a Raman defects / V. G. Arkhipkin, S. A. Myslivets // J. Exp. Theor. Phys. - 2011. - Vol. 111, Is. 6. - P. 898-906, DOI 10.1134/S1063776110120022. - Cited References: 37. - This work was supported by the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools (project no. NSh-7810.2010.3), the Presidium of the Russian Academy of Sciences (project no. 27.1), the Ministry of Education and Science of the Russian Federation (state contract no. 02.740.11.0220), and the Siberian Branch, Russian Academy of Sciences (integration project no. 5). . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
   SLOW-LIGHT
   NONLINEAR OPTICS
   MICROCAVITIES
   LASERS
   AMPLIFIER
   MODES
Кл.слова (ненормированные):
Group velocities -- High frequency HF -- Microwatts -- Nonlinear refractive index -- One dimensional photonic crystal -- Probe field -- Pump intensities -- Raman gain -- Raman resonances -- Reflection spectra -- Spectral position -- Three level atoms -- Transmission spectrums -- Defects -- Dispersion (waves) -- Probes -- Pumping (laser) -- Pumps -- Refractive index -- Resonance -- Photonic crystals
Аннотация: Features of Raman gain of probe radiation in three-level atoms placed in a defect of a one-dimensional photonic crystal in the presence of laser radiation (pump) at an adjacent high-frequency transition have been theoretically investigated. It has been shown that there is a pump intensity range where narrow peaks (resonances) simultaneously appear in the transmission and reflection spectra of the probe field. Beyond this region, the peak in the transmission spectrum is transformed to a narrow dip. The spectral position of these peaks is determined by the Raman resonance and the transmittance and reflectance can be larger than unity at pump intensities from several microwatts per square centimeter to several tens of milliwatts per square centimeter. The nature of narrow peaks is due to a sharp dispersion of a nonlinear refractive index near the Raman resonance; this dispersion is responsible for a strong decrease in the group velocity of probe radiation. The proposed scheme makes it possible to obtain controlled ultranarrow resonances in the transmission and reflection spectra of the photonic crystal.

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Оригинал на русском языке Спектры пропускания и отражения фотонного кристалла с рамановским дефектом [Текст] / В. Г. Архипкин, С. А. Мысливец // Журнал экспериментальной и теоретической физики. - Москва : Федеральное государственное унитарное предприятие "Академический научно-издательский, производственно-полиграфический и книгораспространительский центр Российской академии наук "Издательство "Наука", 2010. - Т. 138 № 6. - С. 1018-1027

Держатели документа:
[Arkhipkin, V. G.] Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Siberian Federal University, Krasnoyarsk 660041, Russian Federation

Доп.точки доступа:
Myslivets, S. A.; Мысливец, Сергей Александрович; Архипкин, Василий Григорьевич
}
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Belyaev, B. A.
Diffraction of electromagnetic waves on a one-dimensional strip conductor grating located at the interface between dielectric media / A. Belyaev, V. V. Tyurnev // Russ. Phys. J. - 2015. - Vol. 58, Is. 5. - P. 646-657, DOI 10.1007/s11182-015-0546-1. - Cited References:17. - This work was supported in part by the Ministry of Education and Science of the Russian Federation (Agreement No. 14.607.21.0039). . - ISSN 1064-8887. - ISSN 1573-9228

РУБ Physics, Multidisciplinary
Рубрики:
TRANSMISSION COEFFICIENTS
   MULTILAYER STRUCTURE
   BANDPASS-FILTERS
   REFLECTION
Кл.слова (ненормированные):
electromagnetic waves -- dielectric layers -- strip conductors -- diffraction
Аннотация: Analytical formulas are derived for the transmission and reflection coefficients of electromagnetic E- and H-waves incident at an arbitrary angle on a one-dimensional strip conductor grating located at the interface between two dielectric media. The feasibility of adjusting the grating reflectivity within wide limits by varying its design parameters is demonstrated, which allows these structures to be used in multilayered dielectric bandpass filters.

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Публикация на русском языке Беляев, Борис Афанасьевич. Дифракция электромагнитных волн на одномерной решетке полосковых проводников, расположенной на границе раздела диэлектрических сред [Текст] / Б. А. Беляев, В. В. Тюрнев // Изв. вузов. Физика : Томский государственный университет, 2015. - Т. 58 № 5. - С. 57-66

Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Inst Phys, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
MF Reshetnev Siberian State Aerosp Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Tyurnev, V. V.; Тюрнев, Владимир Вениаминович; Беляев, Борис Афанасьевич; Ministry of Education and Science of the Russian Federation [14.607.21.0039]
}
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10.

Belyaev, B. A.
Scattering of electromagnetic waves by a metal lattice placed at the interface of two media / B. A. Belyaev, V. V. Tyurnev // J. Commun. Technol. Electron. - 2017. - Vol. 62, Is. 7. - P. 750-758, DOI 10.1134/S1064226917070026. - Cited References: 24 . - ISSN 1064-2269
Кл.слова (ненормированные):
Bandpass filters -- Electromagnetic waves -- Frequency bands -- Frequency response -- Optical multilayers -- Reflection -- Dielectric layer -- Efficient control -- Electromagnetic analysis -- Lattice periods -- Metal lattices -- Optical bandpass filters -- Scattering matrices -- Scattering of electromagnetic waves -- Electromagnetic wave scattering
Аннотация: Simple formulas for determination of components of the scattering matrix of a plane electromagnetic wave incident along the normal onto a thin infinite 2D metal lattice with square windows placed at the interface of two media are derived for the first time. Frequency responses (FRs) of this structure calculated with the use of these formulas agree well with responses obtained by the numerical electromagnetic analysis of a 3D model in the case when the lattice period is less than one-half of the wavelength. The capability of efficient control of the FR of the analyzed structure by means of variation in the width of conductors and the lattice period enables application of this lattice for fabrication of a reflector with prescribed reflectivity. Such reflectors at interfaces of dielectric layers are required, for example, in the design of multilayer sufaces radio transparent in a specified frequency band or optical bandpass filters.

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Публикация на русском языке Беляев, Борис Афанасьевич. Рассеяние электромагнитных волн на металлической решетке, расположенной на границе раздела двух сред [Текст] / Б. А. Беляев, В. В. Тюрнев // Радиотехн. и электроника. - 2017. - Т. 62 № 7. - С. 642-650

Держатели документа:
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Tyurnev, V. V.; Тюрнев, Владимир Вениаминович; Беляев, Борис Афанасьевич
}
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11.

Belyaev, B. A.
Scattering of Electromagnetic Waves on a Subwave Lattice of Square Strip Conductors / B. A. Belyaev, V. Tyurnev, N. V. Volkov // J. Commun. Technol. Electron. - 2019. - Vol. 64, Is. 7. - P. 664-674, DOI 10.1134/S1064226919070039. - Cited References: 24. - The study was supported by the Ministry of Education and Science of the Russian Federation (agreement no. 14.575.21.0279, unique project identifier RFMEFI57517X0142). . - ISSN 1064-2269. - ISSN 1555-6557

РУБ Engineering, Electrical & Electronic + Telecommunications
Рубрики:
MULTILAYER BANDPASS FILTER
   DIELECTRIC LAYERS
   DESIGN
   MESH
Аннотация: Simple formulas are obtained for calculating the scattering matrix of a plane electromagnetic wave incident normally on an infinite 2D lattice formed by square strip conductors and located at the interface of two dielectric media. For the first time, the vortex behavior of the electric field of the lattice was taken into account, which made it possible to repeatedly reduce the computation error at high frequencies. This is confirmed by the close agreement of the amplitude-frequency responses of the structure calculated by the formulas with the characteristics obtained by the numerical electrodynamic analysis of the 3D model when the lattice period is less than half the wavelength.

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Публикация на русском языке Беляев, Борис Афанасьевич. Рассеяние электромагнитных волн на субволновой решетке квадратных полосковых проводников [Текст] / Б. А. Беляев, В. В. Тюрнев, В. Е. Волков // Радиотехн. и электроника. - 2019. - Т. 64 № 7. - С. 666-677

Держатели документа:
Russian Acad Sci, Siberian Branch, KSC Fed Res Ctr, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660014, Russia.

Доп.точки доступа:
Tyurnev, V. V.; Тюрнев, Владимир Вениаминович; Volkov, N. V.; Волков, Никита Валентинович; Беляев, Борис Афанасьевич; Ministry of Education and Science of the Russian Federation [14.575.21.0279, RFMEFI57517X0142]
}
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12.

Bezmaternykh, L. N.
Excitation and propagation of magnetoelastic and magnetostatic waves in inhomogeneously magnetized single-crystals / L. N. Bezmaternykh, V. L. Temerov // Izvestiya vysshikh uchebnykh zavedenii Fizika. - 1981. - Is. 9. - P. 53-56 ; Russian Physics Journal ; Известия высших учебных заведений. Физика. - Cited References: 4 . - ISSN 0021-3411

РУБ Physics, Multidisciplinary

WOS
Доп.точки доступа:
Temerov, V. L.; Темеров, Владислав Леонидович; Безматерных, Леонард Николаевич

}
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13.

Bogomaz, I. V.
Spin-waves in amorphous anti-ferromagnets / I. V. Bogomaz, V. A. Ignatchenko, R. S. Iskhakov // Phys. Status Solidi B. - 1980. - Vol. 98, Is. 1. - P. 111-115, DOI 10.1002/pssb.2220980110. - Cited References: 6 . - ISSN 0370-1972

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Ignatchenko, V. A.; Игнатченко, Вальтер Алексеевич; Iskhakov, R. S.; Исхаков, Рауф Садыкович
}
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14.

    Bulgakov, E. N.
    Channel dropping via bound states in the continuum in a system of two nonlinear cavities between two linear waveguides / E. N. Bulgakov, K. N. Pichugin, A. F. Sadreev // J. Phys.: Condens. Matter. - 2013. - Vol. 25, No. 39. - Ст. 395304. - P. , DOI 10.1088/0953-8984/25/39/395304 . - ISSN 0953-8984
   Перевод заглавия: Переключение каналов через связанные состояния в континууме в системе
Кл.слова (ненормированные):
Channel dropping -- Efficient channels -- Incident waves -- Linear waveguides -- Nonlinear cavities -- Numerical solution -- Parallel waveguides -- Two-dimensional photonic crystals -- Condensed matter physics -- Physics -- Waveguides
Аннотация: We show that two nonlinear resonant cavities aligned between two parallel waveguides can support self-induced bound states in the continuum (BSCs). These BSCs are symmetrical relative to an inversion of the waveguides and to inversion of the transport axis. Due to this BSCs can drop an incident wave from one waveguide to another with very high efficiency. We show also that the frequency of the efficient channel dropping can be tuned by injecting power. All these results are in good agreement with numerical solutions of the Maxwell equations in a two-dimensional photonic crystal of GaAs rods holding two parallel waveguides and two defects made of a Kerr medium. В© 2013 IOP Publishing Ltd.

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Доп.точки доступа:
Pichugin, K. N.; Пичугин, Константин Николаевич; Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
}
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15.

Bulgakov, E. N.
Guiding electromagnetic waves through the bound states in the radiation continuum in novel types / E. N. Bulgakov, A. F. Sadreev // The 9th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META’18) : Program / spec. sess. org. A. F. Sadreev [et al.]. - 2018. - Session 4A10: Fano Resonances in Optics and Microwaves: Physics and Application III. - P. 78. - Материалы конференции публикуются в журналах: Nanophotonics, Applied Physics A, Optical Materials Express, Advanced Electromagnetics

Материалы конференции,
Материалы конференции

Доп.точки доступа:
Sadreev, A. F. \spec. sess. org.\; Садреев, Алмаз Фаттахович; Sadreev, A. F.; International Conference on Metamaterials, Photonic Crystals and Plasmonics(9 ; 2018 ; June 24 - July 1 ; Marseille, France)
}
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16.

    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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17.

Bulgakov, E. N.
Nearly bound states in the radiation continuum in a circular array of dielectric rods / E. N. Bulgakov, A. F. Sadreev // Phys. Rev. A. - 2018. - Vol. 97, Is. 3. - Ст. 033834, DOI 10.1103/PhysRevA.97.033834. - Cited References:35. - We acknowledge discussions with Andrey Bogdanov and Dmittrii Maksimov. This work was partially supported by the Ministry of Education and Science of the Russian Federation (State Contract No. 3.1845.2017) and RFBR Grants No. 16-02-00314 and No. 17-52-45072. . - ISSN 2469-9926. - ISSN 2469-9934

РУБ Optics + Physics, Atomic, Molecular & Chemical
Рубрики:
WAVES
   LIGHT
   CYLINDERS
   RESONANCE
Аннотация: We consider E-polarized bound states in the radiation continuum (BICs) in circular periodical arrays of N infinitely long dielectric rods. We find that each true BIC which occurs in an infinite linear array has its counterpart in the circular array as a near-BIC with extremely large quality factor. We argue analytically as well as numerically that the quality factor of the symmetry-protected near-BICs diverges as eλN, where λ is a material parameter dependent on the radius and the refraction index of the rods. By tuning of the radius of rods, we also find numerically non-symmetry-protected near-BICs. These near-BICs are localized with exponential accuracy outside the circular array, but fill the whole inner space of the array carrying orbital angular momentum.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia.

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Ministry of Education and Science of the Russian Federation [3.1845.2017]; RFBR [16-02-00314, 17-52-45072]
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18.

Bulgakov, E. N.
Propagating Bloch bound states with orbital angular momentum above the light line in the array of dielectric spheres / E. N. Bulgakov, A. F. Sadreev // J. Opt. Soc. Am. A. - 2017. - Vol. 34, Is. 6. - P. 949-952, DOI 10.1364/JOSAA.34.000949. - Cited References:37. - Ministry of Education and Science of the Russian Federation (Minobrnauka) (N 3.1845.2017); Russian Foundation for Basic Research (RFBR) (16-02-00314). . - ISSN 1084-7529. - ISSN 1520-8532

РУБ Optics
Рубрики:
GUIDED-WAVES
   CONTINUUM
   BEHAVIOR
   GRATINGS
Аннотация: We present propagating Bloch bound states in the radiation continuum with orbital angular momentum in an infinite linear periodical array of dielectric spheres. The bound states in the continuum demonstrate a giant Poynting vector spiraling around the array. They can be excited by a plane wave with incident linear polarization with a small tilt relative to the axis of the array.

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Держатели документа:
RAS, Kirensky Inst Phys, Fed Res Ctr, KSC,SB, Krasnoyarsk 660036, Russia.
Siberian State Aerosp Univ, Krasnoyarsk, Russia.

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Ministry of Education and Science of the Russian Federation (Minobrnauka) [N 3.1845.2017]; Russian Foundation for Basic Research (RFBR) [16-02-00314]
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19.

Bulgakov, E. N.
Resonant bending of silicon nanowires by incident light / E. N. Bulgakov, A. F. Sadreev // Opt. Lett. - 2020. - Vol. 45, Is. 19. - P. 5315-5318, DOI 10.1364/OL.406109. - Cited References: 29 . - ISSN 0146-9592
Кл.слова (ненормированные):
Aspect ratio -- Elastic waves -- Silicon -- Wave propagation
Аннотация: Coupling of two dielectric wires with a rectangular cross section gives rise to bonding and anti-bonding resonances. The latter is featured by extremal narrowing of the resonant width for variation of the aspect ratio of the cross section and distance between wires. A plane wave resonant to this anti-bonding resonance gives rise to unprecedent enhancement of the optical forces up to several nano Newtons per micrometer length of the wires. The forces oscillate with the angle of incidence of the plane wave but always try to repel the wires. If the wires are fixed at the ends, the light power 1.5mW/µm2 bends wires with length 50 µm by order 100 nm.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center, KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Reshetnev Siberian State University of Science and Technology, Krasnoyarsk, 660037, Russian Federation

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич
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20.

Bulgakov, E. N.
Scattering plane waves by a dielectric cylinder with periodically modulated permittivity at oblique incidence / E. N. Bulgakov, A. F. Sadreev // Phys. Rev. A. - 2018. - Vol. 97, Is. 6. - Ст. 063856, DOI 10.1103/PhysRevA.97.063856. - Cited References: 24. - We acknowledge discussions with A. A. Bogdanov and D. N. Maksimov. This paper was partially supported by Ministry of Education and Science of Russian Federation (State Contract No. 3.1845.2017) and Russian Foundation for Basic Research Grant No. 16-02-00314. . - ISSN 2469-9926. - ISSN 2469-9934

РУБ Optics + Physics, Atomic, Molecular & Chemical
Рубрики:
BOUND-STATES
   FANO RESONANCE
   LIGHT LINE
   CONTINUUM
   ARRAYS
Аннотация: For scattering of electromagnetic waves by a dielectric cylinder with periodically modulated permittivity we focus on the vicinity of the frequency of the wave with regard to the eigenfrequencies of bound states in the continuum. Then response of the cylinder becomes extremely sensitive to the angle of incidence and polarization of the plane wave. The cross section of the scattering of electromagnetic waves with mixed polarization undergoes crucial change from the Bragg shape to the Fano shape by rotation of the polarization that paves a way to tuning of Fano resonances by an external source.

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Держатели документа:
RAS, Fed Res Ctr KSC SB, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia.

Доп.точки доступа:
Sadreev, A. F.; Садреев, Алмаз Фаттахович; Булгаков, Евгений Николаевич; Ministry of Education and Science of Russian Federation [3.1845.2017]; Russian Foundation for Basic Research [16-02-00314]
}
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