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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ikonnikov D. A., Myslivets S. A., Arkhipkin V. G., Vyunishev A. M.
Заглавие : 3D optical vortex lattices
Коллективы : Russian Science FoundationRussian Science Foundation (RSF) [19-12-00203]
Место публикации : Ann. Phys.-Berlin. - 2021. - Vol. 533, Is. 7. - Ст.2100114. - ISSN 0003-3804, DOI 10.1002/andp.202100114. - ISSN 1521-3889(eISSN)
Примечания : Cited References: 29. - This work was supported by the Russian Science Foundation (Grant No. 19-12-00203).The surface grating was fabricated and characterized at the Center for Collective Use of the Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences. The authors thank M. N. Volochaev and A. I. Zaitsev for help
Предметные рубрики: MANIPULATION
PARTICLES
ARRAY
BEAMS
GENERATION
TRANSPORT
VORTICES
Аннотация: Fresnel diffraction of light beams with a topological charge on a 2D regular amplitude transparency mask is studied. Numerical predictions show that the 3D optical lattices of optical vortices can be formed using the Talbot effect, with these predictions confirmed by the experimental reconstruction of all 3D optical vortex lattices. The periodicity of the 3D optical vortex lattices is determined by the light wavelength and periodicity of a transparency mask. Furthermore, it is shown that the optical vortices are created and annihilated during light propagation behind the mask with the preservation of the total topological charge. The 3D optical vortex lattices are considered to be tolerant to the perturbations induced by trapped particles caused by the features of the Talbot effect. The 3D optical vortex lattices open new possibilities for light-matter interactions and the related applications.
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2.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Aleksandrovsky A. S., Vyunishev A. M., Zaitsev A. I.
Заглавие : Nonlinear photonic crystals of strontium tetraborate
Место публикации : Photonic Crystals: Fabrication, Band Struct. and Appl. - New York: Nova Science Publishers, 2011. - P.245-275. - ISBN 978-161668953-7
Аннотация: Structural, optical and nonlinear optical properties of strontium tetraborate (SBO) single crystals are summarized. SBO presently is not considered to be a ferroelectric, however, domain structures consisting of alternating oppositely poled domains, strongly resembling those present in such ferroelectrics as potassium titanyl phosphate and lithium niobate, were recently discovered in this crystal. Such geometrical properties as orientation, size, and degree of randomization, of these domain structures are described. The problem of origin of domain structures in SBO is considered, as well as the possibility of their characteristics control. From the point of view of optical properties, domain-structured samples of strontium tetraborate are classified as randomized nonlinear photonic crystals. Comparative study of nonlinear diffraction and random quasi-phase-matching of nanosecond and femtosecond laser pulses in these nonlinear photonic crystals is presented. Prospects of creation of nonlinear optical converters of laser radiation into VUV spectral region based on domain structured strontium tetraborate are discussed.
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3.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Aleksandrovsky A. S., Vyunishev A. M., Zaitsev A. I.
Заглавие : Random quasi-phase-matching and nonlinear diffraction in nonlinear photonic crystal structures of strontium tetraborate : conference paper
Коллективы : Ultrafast optics conference (9; 2013 ; March; 2-8; Davos Congr. Center, Switzerland)
Место публикации : Ultrafast optics conference. - Davos, 2013. - Ст.Fr2.3
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4.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Aleksandrovsky A. S., Vyunishev A. M., Zaitsev A. I., Pospelov G. I., Rovsky V. E., Slabko V. V.
Заглавие : Broadband frequency conversion in random nonlinear photonic crystals
Коллективы : "Laser Optics", International conference (15; 2012 ; June ; 25-29; St. Petersburg), "Оптика лазеров", Международная конференция (15; 2012 ; июнь ; 25-29; Санкт-Петербург)
Место публикации : Laser Optics 2012. - 2012. - Ст.WeR1-p69. - P.42
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5.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Vyunishev A. M., Aleksandrovsky A. S., Zaitsev A. I., Slabko V. V.
Заглавие : Broadband pulse conversion in 1d disordered nonlinear photonic crystals
Коллективы : "Light in Disordered Photonic Media", 546. WE-Heraeus-Seminar (546; 2013 ; 2-4 dec; Bad Honnef, Germany)
Место публикации : WE-Heraeus-Seminar: "Light in Disordered Photonic Media", 546. - 2013
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vyunishev A. M., Bikbaev R. G., Svyakhovskiy, Sergey E., Timofeev I. V., Pankin P. S., Evlashin, Stanislav A., Vetrov S. Ya., Myslivets S. A., Arkhipkin V. G.
Заглавие : Broadband Tamm plasmon polariton
Коллективы : Russian Foundation for Basic Research (RFBR) [18-32-00053]; Russian Federation [MK-2761.2019.2]
Место публикации : J. Opt. Soc. Am. B. - 2019. - Vol. 36, Is. 8. - P.2299-2305. - ISSN 0740-3224, DOI 10.1364/JOSAB.36.002299. - ISSN 1520-8540(eISSN)
Примечания : Cited References: 50. - Russian Foundation for Basic Research (RFBR) (18-32-00053); Grant of the President of the Russian Federation (MK-2761.2019.2).
Предметные рубрики: PHOTONIC CRYSTAL
OPTICAL-CONSTANTS
PERFECT ABSORBER
ABSORPTION
Аннотация: A broadband Tamm plasmon polariton localized at the interface between the Bragg mirror and a thin metallic layer has been theoretically and experimentally investigated. The possibility of a localized state formation has been demonstrated and energy coefficients at the Tamm plasmon polariton wavelength have been predicted in the framework of the coupled mode theory. The metallic layer material and thickness corresponding to the maximum coupling between the incident radiation and the Tamm plasmon polariton has been determined. Experimental reflectance and transmittance spectra of the structure consisting of the Bragg mirror and chromium layers of different thicknesses have been measured. The analysis of the energy spectra shows the existence of the wavelength range with the near-unity absorption coefficient inside the Bragg mirror bandgap. The use of chromium as a metal results in the broadband Tamm plasmon polariton excitation. It is demonstrated that the experimental data is in a good agreement with the calculation.
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7.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Vyunishev A. M., Aleksandrovsky A. S., Zaitsev A. I., Slabko V. V.
Заглавие : Cerenkov nonlinear diffraction of femtosecond pulses in random nonlinear photonic crystal
Коллективы : Russia-Taiwan School-Seminar on Nonlinear Optics and Photonics (3; 2013 ; Jun. ; 14-18; Владимир/ Суздаль)
Место публикации : Third Russia-Taiwan School-Seminar on Nonlinear Optics and Photonics : Program and Book of Abstracts. - 2013. - Ст.S1-11-O30. - P.20
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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vyunishev A. M., Aleksandrovsky A. S., Zaitsev A. I., Slabko V. V.
Заглавие : Cerenkov nonlinear diffraction of femtosecond pulses
Место публикации : J. Opt. Soc. Am. B: Optical Society of America, 2013. - Vol. 30, Is. 7. - P.2014-2021. - ISSN 0740-3224, DOI 10.1364/JOSAB.30.002014
Примечания : Cited References: 43. - The work was partially supported by the Grant of the President of the Russian Federation MK-250.2013.2, by RFBR through Grant No. 12-02-31167, by the Ministry of Education and Science of the Russian Federation (Contract No. 14.B37.21.0730), by Krasnoyarsk Regional Fund of Science and Technical Activity Support, by PSB RAS Project 2.5.2, and by SFU Grant F12.
Предметные рубрики: STRONTIUM BARIUM NIOBATE
2ND-HARMONIC GENERATION
PHOTONIC CRYSTAL
DOMAIN-WALLS
MODULATION
Аннотация: Cerenkov nonlinear diffraction of femtosecond pulses in one-dimensional nonlinear photonic crystal of strontium tetraborate was studied theoretically and experimentally in both frequency and time domains. Spectral features of second harmonic radiation were measured in the course of mapping the nonlinear photonic crystal structure. The local second harmonic spectrum demonstrates complex angular behavior within the beam cross section. The spectral width of the second harmonic radiation is found to be fundamental beam size-dependent, and optimal focusing should be used for exact conversion of the fundamental spectrum into the second harmonic one. Experimental results are in excellent agreement with calculations. Maximum second harmonic generation efficiency was up to 2.1% at pumping by a femtosecond oscillator. (C) 2013 Optical Society of America
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9.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Aleksandrovsky A.S., Vyunishev A.M., Zaitesv A.I., Zamkov A.V.
Заглавие : Characterization of Domain Structure in Strontium Tetraborate Crystals via Nonlinear Diffraction
Место публикации : Известия высших учебных заведений. Физика. - 2008. - Т. 51, № 10/2. - С. 120-125
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ikonnikov D. A., Vyunisheva S. A., Prokopova D. V., Losevsky N. N., Samagin S. A., Kotova S. P., Vyunishev A. M.
Заглавие : Configurable vortex laser beams for optical manipulations of microparticle ensembles
Колич.характеристики :5 с
Место публикации : Laser Phys. Lett. - 2023. - Vol. 20, Is. 8. - Ст.086002. - ISSN 16122011 (ISSN), DOI 10.1088/1612-202X/ace0af. - ISSN 1612202X (eISSN)
Примечания : Cited References: 33. - The work was partially supported by the Russian Science Foundation through the Grant No. 19-12-00203 (conceptualization, methodology, theoretical analysis and synthesis of the phase holograms). The authors thank S A Myslivets for help and fruitful discussions
Аннотация: The formation of phase holograms by the modulation superposition method for producing a set of vortex laser beams is presented. Produced vortex laser beams are considered to be used in the scheme of optical tweezers for optical trapping and manipulation of ensembles of latex microspheres. Applying the method of modulation superposition is regarded to synthesize phase holograms by adding harmonic functions with specific parameters. The possibility of independent control of the position of produced vortex beams and their orbital angular momentum is experimentally demonstrated, being in a good agreement with theoretical analysis. The use of structured light in combination with optothermal traps is likely to expand the traditional methods of microobject optical manipulation. The results obtained open up new possibilities for optical manipulation in biomedical applications.
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