Электронная библиотека (репозиторий) Томского государственного университета
Geints, Yuri E.

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Add   Experimental demonstration of dyed water aerosol fluorescence stimulated by femtosecond laser postfilaments propagating in air
Authors: Apeksimov, Dmitrij V. | Geints, Yuri E. | Oshlakov, Viktor K. | Petrov, Aleksej V.
Source: Applied optics. 2023. Vol. 62, № 24. P. 6401-6406
Type: статьи в журналах
Date: 2023
Description: We present the fluorescence spectra of single millimeter water droplets and micron-sized dyed water aerosol (rhodamine 6G) stimulated by a high-intensity femtosecond Ti:sapphire-laser pulse (carrier w ... More
Add   Manipulation of femtosecond laser filamentation by wire mesh amplitude mask
Authors: Geints, Yuri E. | Minina, Olga V. | Mokrousova, Daria V. | Pushkarev, Dmitrii V. | Rizaev, Georgy E. | Seleznev, Leonid V.
Source: Optics Communications. 2023. Vol. 543. P. 129595 (1-10)
Type: статьи в журналах
Date: 2023
Description: The results of numerical simulation on the propagation of high-power femtosecond laser pulses in air under conditions of the amplitude modulation are presented. Laser pulse amplitude modulation is rea ... More
Add   Toward high-speed effective numerical simulation of multiple filamentation of high-power femtosecond laser radiation in a transparent medium
Authors: Bulygin, Andrey D. | Geints, Yuri E.
Source: Journal of the Optical Society of America. B, Optical physics. 2023. Vol. 40, № 9. P. 2339-2348
Type: статьи в журналах
Date: 2023
Description: High-power femtosecond laser radiation during propagation in air (and other transparent media) experiences multiple filamentation. Filamentation is a unique nonlinear optical phenomenon, accompanied b ... More
Add   Experimental study of high-intensity light channels produced on an extended air path by phase and amplitude modulated femtosecond laser pulses
Authors: Apeksimov, Dmitrij V. | Geints, Yuri E. | Matvienko, Gennadij G. | Oshlakov, Viktor K. | Zemlyanov, Alexander A.
Source: Applied optics. 2022. Vol. 61, № 6. P. 1300-1306
Type: статьи в журналах
Date: 2022
Description: We present the results of our experimental study of the propagation dynamics of high-power femtosecond laser radiation in air with initially imposed amplitude and/or phase modulations. Depending on th ... More
Add   Numerical simulations of self-channeling and filamentation of spatially pre-modulated high-power femtosecond laser pulse in air
Authors: Geints, Yuri E. | Zemlyanov, Alexander A. | Minina, Olga V.
Source: Proceedings of SPIE. 2022. Vol. 12341 : 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia. P. 123410C-1-123410C-8
Type: статьи в журналах
Date: 2022
Description: The numerical simulations of propagation of high-power femtosecond laser pulses in air under conditions of superposed spatial phase modulation are carried out on the basis of the reduced form of nonli ... More
Add   Propagation of high-power phase-modulated femtosecond laser pulses in air in the self-channeling and filamentation modes
Authors: Geints, Yuri E. | Zemlyanov, Alexander A. | Minina, Olga V.
Source: Atmospheric and oceanic optics. 2022. Vol. 35, № 5. P. 475-484
Type: статьи в журналах
Date: 2022
Description: Propagation of high-power phase-modulated femtosecond laser pulses in air is simulated numerically. Spatial modulation of the initial wavefront of the pulse was implemented using a programmable phase ... More
Add   Self-channeling of spatially modulated femtosecond laser beams in the post-filamentation region
Authors: Geints, Yuri E. | Minina, Olga V. | Zemlyanov, Alexander A.
Source: Journal of the Optical Society of America. B, Optical physics. 2022. Vol. 39, № 6. P. 1549-1556
Type: статьи в журналах
Date: 2022
Description: The propagation of high-intensity femtosecond laser pulses in air under conditions of superposed spatial phase modulation is considered theoretically. The numerical simulations are carried out on the ... More
Add   Statistical parameters of femtosecond laser pulse post-filament propagation on a 65 m air path with localized optical turbulence
Authors: Apeksimov, Dmitrij V. | Bulygin, Andrey D. | Geints, Yuri E. | Kabanov, Andrej M. | Khoroshaeva, Elena E. | Petrov, Aleksej V. | Oshlakov, Viktor K.
Source: Journal of the Optical Society of America B, Optical physics. 2022. Vol. 39, № 12. P. 3237-3246
Type: статьи в журналах
Date: 2022
Description: High-power femtosecond laser radiation propagates nonlinearly in air, exhibiting pulse self-focusing and strong multiphoton medium ionization, which leads to the spatial fragmentation of laser pulses ... More
Add   Comparison of photonic nanojets key parameters produced by nonspherical microparticles
Authors: Minin, Igor V. | Panina, Ekaterina K. | Zemlyanov, Alexander A. | Minin, Oleg V. | Geints, Yuri E.
Source: Optical and quantum electronics. 2017. Vol. 49, № 3. P. 118 (1-7)
Type: статьи в журналах
Date: 2017
Description: Photonic nanojet (PNJ) phenomenon arising near transparent dielectric microparticles subject to plane wave illumination in the visible is considered. The near-field light scattering patterns produced ... More
Add   Localized EM and photonic jets from non-spherical and non-symmetrical dielectric mesoscale objects: Brief review
Authors: Minin, Igor V. | Minin, Oleg V. | Geints, Yuri E.
Source: Annalen der Physik. 2015. Vol. 527, № 7/8. P. 491-497
Type: статьи в журналах
Date: 2015
Description: The interest to mesoscale dielectric objects, whose effective dimensions are comparable with the incident radiation wavelength, is caused by their unique ability to modify the spatial structure of the ... More
Add   Modeling of multiple filamentation of terawatt laser pulses on a hundred-meter air path
Authors: Apeksimov, Dmitrij V. | Zemlyanov, Alexander A. | Iglakova, Anastasiya N. | Kabanov, Andrej M. | Kuchinskaya, Olesya I. | Matvienko, Gennadij G. | Oshlakov, Viktor K. | Petrov, A. V. | Geints, Yuri E.
Source: Proceedings of SPIE. 2015. . Vol. 9680 : 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, June 22-26, 2015, Tomsk, Russian Federation. P. 96801F-1-96801F-10
Type: статьи в журналах
Date: 2015
Description: The results of numerical simulation of multiple filamentation of terawatt femtosecond pulse Ti:Sapphire laser performed on the experimental data obtained in the airway of a length of 106 m when changi ... More
Add   Filamentation length of high-power sharply focused femtosecond laser radiation in air
Authors: Apeximov, D. V. | Bykova, Elena E. | Geints, Yuri E. | Golik, Sergej S. | Kabanov, Andrej M. | Kuchinskaya, Olesya I. | Matvienko, Gennadij G. | Zemlyanov, Alexander A. | Bukin, Oleg A.
Source: Известия высших учебных заведений. Физика. 2013. Т. 56, № 10/3. С. 237-240
Type: статьи в журналах
Date: 2013
Add   Photonic jet shaping of mesoscale dielectric spherical particles: Resonant and non-resonant jet formation
Authors: Geints, Yuri E. | Panina, Ekaterina K. | Zemlyanov, Alexander A.
Source: Journal of Quantitative Spectroscopy and Radiative Transfer. 2013. Vol. 126. P. 44-49
Type: статьи в журналах
Date: 2013
Description: A descriptive analysis of the morphological shapes of photonic jets (PJs) these being a specific spatially localized and high-intensity area formed near micron-sized transparent spherical dielectric p ... More
Add   Post-focal filamentation of an externally focused femtosecond laser pulse in air
Authors: Geints, Yuri E. | Zemlyanov, Alexander A.
Source: Laser physics. 2013. Vol. 23. P. 035301-1-035301-8
Type: статьи в журналах
Date: 2013
Add   Model description of intense ultra-short laser pulse filamentation: multiple foci and diffraction rays
Authors: Geints, Yuri E. | Bulygin, A. D. | Zemlyanov, Alexander A.
Source: Applied physics B: Lasers and optics. 2012. Vol. 107, № 1. P. 243-255
Type: статьи в журналах
Date: 2012
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