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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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Arkhipkin V. G., Ikonnikov D. A., Myslivets S. A.
Заглавие : Diffraction of a Laguerre-Gaussian beam in Raman interaction with a spatially periodic pump field
Место публикации : Phys. Rev. A. - 2023. - Vol. 107, Is. 2. - Ст.023519. - ISSN 24699926 (ISSN), DOI 10.1103/PhysRevA.107.023519. - ISSN 24699934 (eISSN)
Примечания : Cited References: 35. - This work was supported by the Russian Science Foundation (Grant No. 19-12-00203)
Аннотация: We studied Fresnel diffraction of a Laguerre-Gaussian beam LGp,l with arbitrary azimuthal l and radial p indices on a grating induced during its Raman interaction with a spatially periodic pump field in an atomic medium. The diffraction pattern turned out to be more complex than the classical Talbot effect observed when a plane wave illuminates a two-dimensional grating. The simulation results show that, under certain conditions, at distances corresponding to the classical Talbot planes (integer and fractional), periodic amplitude-phase distributions appear. The diffraction patterns are not a probe-field image in the induced grating plane, but a regular array of vortex annular-shaped microbeams with an inhomogeneous intensity distribution depending on the l and p indices and with a topological charge equal to that of the initial probe beam. The intensity and spatial distribution of diffraction patterns can be controlled by Raman amplification in the induced grating by varying the pump-field intensity or the Raman detuning.
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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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ikonnikov D. A., Arkhipkin V. G., Vyunishev A. M.
Заглавие : Controlling multiple diffraction with quasiperiodic gratings
Место публикации : Laser Phys. Lett. - 2019. - Vol. 16, Is. 12. - Ст.126202. - ISSN 1612-2011, DOI 10.1088/1612-202X/ab5845. - ISSN 1612-202X (eISSN)
Примечания : Cited References: 23. - The authors thank Prof Anatoly S Chirkin and Sergey A Myslivets for help and fruitful discussions.
Аннотация: Complex diffraction patterns are formed by sophisticated diffraction gratings. However, the methods of synthesizing of such gratings are complicated and resource intensive. We propose a simple analytical approach to forming one- and two-dimensional quasiperiodic gratings supporting multiple diffraction consisting of a set of diffraction maxima with the specified spatial frequency of certain diffraction order. The structure of a quasiperiodic grating is a superposition of harmonic functions, which provide a discrete spatial spectrum. The number of diffraction maxima, their angular positions, and intensity distribution between them can be controlled by choosing appropriate reciprocal lattice vectors and their amplitudes. This effect confirmed by the experiment opens new possibilities for light shaping, imaging, and radiation coupling.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ikonnikov D. A., Fokin V. A., Vyunishev A. M.
Заглавие : Synthesizing structured optical vortices
Место публикации : Ann. Phys. - 2022. - Vol.534, Is. 6. - Ст.2200041. - ISSN 00033804 (ISSN), DOI 10.1002/andp.202200041
Примечания : Cited References: 29. - The authors thanks S.A. Myslivets and V.G. Arkhipkin for help with calculations and fruitful discussions. The work is supported by the Russian Science Foundation (Grant No. 19-12-00203)
Аннотация: A noniterative approach to generation of binary phase holograms is applied for synthesizing complex optical vortex arrays. This approach does not use inverse Fourier analysis and allows one to obtain arbitrary optical vortex arrays with specified topological charges, which cannot be obtained using conventional fork-shaped gratings. A topological charge of individual optical vortices generated using binary phase holograms can be specified at a given spatial frequency, so that the equidistant array of optical vortices can be generated via illuminating a hologram by a beam with the zero topological charge. The results of the calculation are consistent with the experimental data, including those of the interferometric measurements. The approach also makes it possible to synthesize superimposed optical vortices, where an optical field represents well-ordered circular arrays of optical singularities. An unusual behavior of phase dislocations in superimposed structures is found. For two optical vortices of same reciprocal lattice vectors, but different topological charges, spatial distribution of singularities are reconfigured in a such manner that a couple of concentric circular arrays of singularities appear. The proposed binary phase holograms offer new opportunities for synthesizing the complex optical vortex light fields, which can find light–matter interaction-based applications.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Darmaev E. C., Ikonnikov D. A., Myslivets S. A., Vyunisheva S. A., Davletshin N. N., Baron F. A., Arkhipkin V. G., Vyunishev A. M.
Заглавие : Optical texture super-lattices produced by Talbot effect at superimposed gratings
Место публикации : Ann. Phys. (Berlin). - 2023. - Vol. 535, Is. 3. - Ст.2200543. - ISSN 00033804 (ISSN), DOI 10.1002/andp.202200543. - ISSN 15213889 (eISSN)
Примечания : Cited References: 32. - The work was supported by the Russian Science Foundation (Grant No. 19-12-00203)
Аннотация: Fresnel diffraction on periodic gratings results in a two-dimensional periodic distribution of light intensity, also known as the Talbot effect. Here this approach is extended to the family of superimposed structures with translational symmetry, which consist of superposed spatial harmonics. The Talbot effect is demonstrated to be valid for superimposed gratings. The considered superimposed gratings provide a wide range of textures of optical super-lattices. These texture super-lattices represent a Talbot carpets with a complex motif, which can be varied by choosing structure parameters. These results provide a new functionality for structuring optical lattices and can find potential applications in a wide range of light–matter interactions.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ikonnikov D. A., Kotlyar V. V., Kovalev A. A., Vyunishev A. M.
Заглавие : Optical vortices with a quadratic azimuthal phase dependence
Место публикации : Ann. Phys. - 2022. - Vol. 534, Is. 10. - Ст.2200276. - ISSN 00033804 (ISSN), DOI 10.1002/andp.202200276
Примечания : Cited References: 29. - The work was supported by the Russian Science Foundation (Grant No. 19-12-00203, https://rscf.ru/project/19-12-00203/) (conceptualization, experiment, and numerical simulation) and by the RF Ministry of Science and Higher Education under the state project of the FSRC “Crystallography and Photonics” RAS (theory). The authors thank N. N. Davletshin for the help
Аннотация: The light diffraction on fork-shaped binary phase holograms (BPHs) with quadratic azimuthal phase term is considered. The distribution of intensity and phase, including positions of singularities and their number on the value of the quadratic term is revealed and analyzed. A simple analytical expression for the total topological charge (TC) of optical vortices (OVs) is derived for arbitrary power of azimuthal phase dependence. In order to visualize the phase distributions and phase singularities, interference measurements are carried out. The results of analytical and numerical calculations are confirmed by experimental data. These results may provide new possibilities for optical trapping and manipulation.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ikonnikov D. A., Malakhovskii A. V., Sukhachev A. L., Temerov V. L., Krylov A. S., Bovina A. F., Aleksandrovsky A. S.
Заглавие : Spectroscopic properties of HoAl3(BO3)4 single crystal
Коллективы : Ministry of Education and Science of the Russian Federation for Siberian Federal University; Russian Foundation for Basic Research Grants [12-02-00026, 14-02-00219, 13-02-00825]; Russian President Grant [SS-2886.2014.2]; SB RAS Project [43]
Место публикации : Opt. Mater.: Elsevier Science, 2014. - Vol. 37. - P.257–261. - ISSN 0925, DOI 10.1016/j.optmat.2014.05.036. - ISSN 18731252 (eISSN)
Примечания : Cited References: 30. - The work was supported by Grant of the Ministry of Education and Science of the Russian Federation for Siberian Federal University, the Russian Foundation for Basic Research Grants 12-02-00026, 14-02-00219 and 13-02-00825, by the Russian President Grant SS-2886.2014.2, and by SB RAS Project No. 43.
Предметные рубрики: RARE-EARTH IONS
OPTICAL-PROPERTIES
Ho3+ IONS
ABSORPTION
INTENSITIES
EMISSION
GLASSES
SPECTRA
LUMINESCENCE
PARAMETERS
Ключевые слова (''Своб.индексиров.''): absorption--luminescence--holmium--huntite--judd-ofelt
Аннотация: The Judd–Ofelt theory has been applied to analyze absorption spectra of Ho3+ ion in HoAl3(BO3)4 measured in spectral range 300–700 nm at room temperature. The Judd–Ofelt spectroscopic parameters have been determined as: Ω2 = 18.87 x 10 -20 cm2, Ω4 = 17.04 x 10 -20 cm2, Ω6 = 9.21 x 10 -20 cm2. These parameters have been used to calculate radiative lifetimes and branching ratios of the luminescence manifolds. Three luminescent bands were found in the spectral range 450–700 nm ascribed to transitions from the 5F5, (5F4, 5S2) and 3K8 states to the ground state 5I8. Experimental intensities of these luminescence transitions were compared with those calculated by using Judd–Ofelt theory and the system of kinetic equations for populations of starting luminescing states. Probabilities of radiativeless transitions were evaluated from this comparison.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ikonnikov D. A., Malakhovskii A. V., Sukhachev A. L., Zaitsev A. I., Aleksandrovsky A. S., Jubera V.
Заглавие : Spectroscopic properties of Nd3+ in orthorhombic δ-BiB3O6 crystal
Место публикации : Opt. Mater.: ELSEVIER SCIENCE BV, 2012. - Vol. 34, Is. 11. - P.1839-1842. - ISSN 0925-3467, DOI 10.1016/j.optmat.2012.05.016
Примечания : Cited References: 23. - The work was supported by Ministry of Education and Science of Russian Federation (Contract 16.740.11.0150), by Russian Foundation for Basic Researches Grant 12-02-00026, Grant of President of Russian Federation for support of leading scientific schools No. SS-4828.2012.2, Grant No. SFU.F12, and Projects No. 28, 43 and No. 101 of SB RAS.
Предметные рубрики: SPECTRAL-LINE INTENSITIES
RARE-EARTH IONS
LASER CRYSTAL
NdAl3(BO3)(4) NAB
OPTICAL-SPECTRA
BiB3O6
SYSTEMS
GROWTH
Er3+
Tm3+
Ключевые слова (''Своб.индексиров.''): neodymium--orthorhombic bismuth triborate--absorption--judd-ofelt analysis
Аннотация: Absorption spectra of the Nd3+ ions in an orthorhombic δ-BiB3O6 single crystal were measured in the spectral range 11,000-20,500 cm-1. The f-f transition intensities were analyzed in terms of the Judd-Ofelt theory, and the following parameters of the theory were obtained: Ω2 = 6.35 × 10-20 cm2, Ω4 = 4.86 × 10-20 cm 2, and Ω6 = 11.233 × 10-20 cm 2. The strengths, spontaneous emission probabilities, branching ratios, spectroscopic quality factor and excited state radiative lifetime were calculated for laser transitions from the 4F3/2 state to 4IJ manifold. Spectroscopic properties of Nd 3+:δ-BiB3O6 crystal favor lasing at 1.3 μm, where this crystal possesses near non-critical phase matching for second harmonic generation. © 2012 Elsevier B.V. All rights reserved.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Razumkova I. A., Denisenko Yu. G., Boyko A. N., Ikonnikov D. A., Aleksandrovsky A. S., Azarapin N. O., Andreev O. V.
Заглавие : Synthesis and Upconversion Luminescence in LaF3:Yb3+, Ho3+, GdF3: Yb3+, Tm3+ and YF3:Yb3+, Er3+ obtained from Sulfide Precursors
Место публикации : Z. Anorg. Allg. Chem. - 2019. - Vol. 645, Is. 24. - P.1393-1401. - ISSN 0044-2313, DOI 10.1002/zaac.201900204; J. Inorg. General Chem. - ISSN 1521-3749 (eISSN)
Примечания : Cited References: 57. - The authors would like to thank the staff of the Engineering Center of the Tyumen State University (special Alexej V. Matigorov) for their help in carrying out physical and chemical tests.
Аннотация: Rare earth fluorides are mainly obtained from aqueous solutions of oxygen‐containing precursors. Probably, this method is simple and efficient, however, oxygen may partially be retained in the fluoride structure. We offer an alternative method: obtaining fluorides and solid solutions based on them from an oxygen‐free precursor. As starting materials, we choose sulfides of rare‐earth elements and solid solutions based on them. The fluorination is carried out by exposure to hydrofluoric acid of various concentrations. The transmission electron microscopy images revealed the different morphologies of the products, which depend on the concentration of the fluorinating component (HF) and the host element. The solid solution particle size varied from 30–35 nm in the case of GdF3:Yb3+, Tm3+ (4 % HF) to larger structures with dimensions exceeding 200 nm, such as that for LaF3:Yb3+, Ho3+ (40 % HF). The thermal characteristics, such as the temperatures of the transitions and melting and enthalpies, were determined for the solid solutions and simple fluorides. Applicability of the materials obtained as biological luminescent markers was tested on the example of upconversion luminescence, and good upconversion properties were detected.
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