Search Results - "Ikonnikov, Denis A."
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Near-Field Evolution of Optical Vortices and Their Spatial Ordering behind a Fork-Shaped Grating
Published in Photonics (01-04-2023)“…Fork-shaped gratings are periodic structures containing a spatial dislocation known to be used for the production of optical vortices in a far field. Spatial…”
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Two-dimensional Talbot effect of the optical vortices and their spatial evolution
Published in Scientific reports (20-11-2020)“…We report on the experimental and theoretical study of the near-field diffraction of optical vortices (OVs) at a two-dimensional diffraction grating. The…”
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3
Ghost image restoring using random speckles created by a liquid crystal cell
Published in Optics letters (01-01-2022)“…A liquid crystal cell is used to produce correlated light beams with speckle structures for implementation of pseudo-thermal ghost imaging. The liquid crystal…”
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Synthesizing Structured Optical Vortices
Published in Annalen der Physik (01-06-2022)“…A noniterative approach to generation of binary phase holograms is applied for synthesizing complex optical vortex arrays. This approach does not use inverse…”
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3D Optical Vortex Lattices
Published in Annalen der Physik (01-07-2021)“…Fresnel diffraction of light beams with a topological charge on a 2D regular amplitude transparency mask is studied. Numerical predictions show that the 3D…”
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Variable Spatial Dynamics of Optical Vortices Produced by a Double Fork‐Shaped Grating
Published in Annalen der Physik (01-09-2024)“…Light diffraction is studied numerically and experimentally on a double fork‐shaped grating representing a periodic grating containing two spaced dislocations…”
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7
Optical Vortices with A Quadratic Azimuthal Phase Dependence
Published in Annalen der Physik (01-10-2022)“…The light diffraction on fork‐shaped binary phase holograms (BPHs) with quadratic azimuthal phase term is considered. The distribution of intensity and phase,…”
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Unveiling Talbot Effect under Fresnel Diffraction at a Fork‐Shaped Grating
Published in Annalen der Physik (01-03-2023)“…The near‐field effect of diffraction image self‐reproduction or self‐imaging of a periodic grating illuminated by quasi‐monochromatic wave is well‐known as the…”
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Optical Texture Super‐Lattices Produced by Talbot Effect at Superimposed Gratings
Published in Annalen der Physik (01-03-2023)“…Fresnel diffraction on periodic gratings results in a two‐dimensional periodic distribution of light intensity, also known as the Talbot effect. Here this…”
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Synthesis and Upconversion Luminescence in LaF3:Yb3+, Ho3+, GdF3: Yb3+, Tm3+ and YF3:Yb3+, Er3+ obtained from Sulfide Precursors
Published in Zeitschrift für anorganische und allgemeine Chemie (1950) (31-12-2019)“…Rare earth fluorides are mainly obtained from aqueous solutions of oxygen‐containing precursors. Probably, this method is simple and efficient, however, oxygen…”
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Optical Vortices: 3D Optical Vortex Lattices (Ann. Phys. 7/2021)
Published in Annalen der Physik (01-07-2021)“…In article number 2100114, Denis Ikonnikov and co‐workers report the results of Fresnel diffraction of light beams with a topological charge on a 2D regular…”
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Synthesis and Upconversion Luminescence in LaF 3 :Yb 3+ , Ho 3+ , GdF 3 : Yb 3+ , Tm 3+ and YF 3 :Yb 3+ , Er 3+ obtained from Sulfide Precursors
Published in Zeitschrift für anorganische und allgemeine Chemie (1950) (31-12-2019)“…Rare earth fluorides are mainly obtained from aqueous solutions of oxygen‐containing precursors. Probably, this method is simple and efficient, however, oxygen…”
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