Электронная библиотека (репозиторий) Томского государственного университета
Zemlyanov, Alexander A.

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Add   Condition for stopping the collapse of high-power femtosecond laser pulses during propagation through an optical medium
Authors: Zemlyanov, Alexander A. | Minina, Olga V.
Source: Atmospheric and oceanic optics. 2023. Vol. 36, № 4. P. 314-322
Type: статьи в журналах
Date: 2023
Description: An intensity collapse stopping criterion is determined in the approximation of the nonlinear Schrödinger equation for the problem of self-focusing of high-power femtosecond laser radiation in an optic ... More
Add   Acoustic signals from water aerosol with nanoparticles during filamentation of a femtosecond pulse
Authors: Golik, Sergej S. | Donchenko, Valeriy A. | Zemlyanov, Alexey A. | Zemlyanov, Alexander A. | Maior, A. Yu. | Ryambov, R. V. | Trifonova, A. V.
Source: Proceedings of SPIE. 2022. Vol. 12341 : 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia. P. 1234115-1-1234115-4
Type: статьи в журналах
Date: 2022
Description: The experimentally obtained dependences of acoustic signals on the energy of femtosecond pulses in the filamentation mode, propagating in a liquid-drop aerosol with nanoparticles of various concentrat ... 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   Femtosecond laser filamentation in liquid spray
Authors: Zemlyanov, Alexey A. | Babushkin, P. A. | Golik, Sergej S. | Donchenko, Valeriy A. | Zemlyanov, Alexander A. | Maior, A. Yu. | Oshlakov, Viktor K. | Ryambov, R. V. | Trifonova, A. V.
Source: Russian physics journal. 2022. Vol. 64, № 11. P. 2151-2154
Type: статьи в журналах
Date: 2022
Description: The paper presents the femtosecond laser filamentation, which splits the liquid spray into two jets. The dependence is suggested for the acoustic signal and the femtosecond pulse energy, which identif ... 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   Using the nonlinear layer model for estimation of characteristics of high-power ultrashort laser pulse beams propagating along an aerospace path
Authors: 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. 1234109-1-1234109-5
Type: статьи в журналах
Date: 2022
Description: The propagation of high-power ultrashort laser pulses on aerospace paths when laser radiation is sent from the Earth into space is analyzed theoretically. Titanium-sapphire and CO2 lasers with femtose ... More
Add   Global self-focusing and features of multiple filamentation of radiation of a subterawatt Ti:sapphire laser with a centimeter output aperture along a 150-m path
Authors: Zemlyanov, Alexander A. | Iglakova, Anastasiya N. | Kabanov, Andrej M. | Kuchinskaya, Olesya I. | Matvienkoj, Gennadij G. | Oshlakov, Viktor K. | Petrov, Aleksej V. | Apeksimov, Dmitrij V.
Source: Atmospheric and oceanic optics. 2018. Vol. 31, № 1. P. 31-35
Type: статьи в журналах
Date: 2018
Description: The formation and propagation of postfilamentation channels along a controllable path 150 m long are studied experimentally for collimated beams of different diameters. During multiple filamentation, ... More
Add   Localized high-intensity light structures during multiple filamentation of Ti:sapphire-laser femtosecond pulses along an air path
Authors: Zemlyanov, Alexander A. | Iglakova, Anastasiya N. | Kabanov, Andrej M. | Kuchinskaya, Olesya I. | Matvienko, Gennadij G. | Oshlakov, Viktor K. | Petrov, Aleksej V. | Sokolova, Ekaterina B. | Apeksimov, Dmitrij V.
Source: Atmospheric and oceanic optics. 2018. Vol. 31, № 2. P. 107-111
Type: статьи в журналах
Date: 2018
Description: The results of experimental studies of the transverse structure of a laser beam after multiple filamentation are presented. A ring structure of radiation is formed around individual filaments in a bea ... 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   Filamentation of collimated Ti:sapphire-laser pulses in the glass
Authors: Apeksimov, Dmitrij V. | Golik, Sergej S. | Zemlyanov, Alexander A. | Iglakova, Anastasiya N. | Kabanov, Andrej M. | Kuchinskaya, Olesya I. | Matvienko, Gennadij G. | Oshlakov, Viktor K. | Petrov, Aleksej V. | Bukin, Oleg A. | Sokolova, Ekaterina B.
Source: Proceedings of SPIE. 2015. Vol. 9810 : XII International Conference on Atomic and Molecular Pulsed Lasers. P. 98100H-1-98100H-4
Type: статьи в журналах
Date: 2015
Description: The results of experiments to study the spatial characteristics of multiple filamentation gigawatt laser pulses in the glass are presented. It is shown that with increasing pulse power multiple filame ... More
Add   Filamentation of collimated Ti:sapphire-laser pulses in water
Authors: Apeksimov, Dmitrij V. | Golik, Sergej S. | Zemlyanov, Alexander A. | Kabanov, Andrej M. | Kuchinskaya, Olesya I. | Mayor, A. Yu. | Matvienko, Gennadij G. | Petrov, Aleksej V. | Sokolova, Ekaterina B. | Bukin, Oleg A.
Source: Proceedings of SPIE. 2015. Vol. 9810 : XII International Conference on Atomic and Molecular Pulsed Lasers. P. 98100I-1-98100I-4
Type: статьи в журналах
Date: 2015
Description: The results of experimental studies of the spatial characteristics of multiple filamentation terawatt femtosecond Ti:Salaser in water are presented. With an increase in initial power laser pulses incr ... More
Add   Filamentation of focused and collimated laser beams in liquids
Authors: Apeksimov, Dmitrij V. | Golik, Sergej S. | Zemlyanov, Alexander A. | Kabanov, Andrej M. | Kuchinskaya, Olesya I. | Matvienko, Gennadij G. | Oshlakov, Viktor K. | Petrov, Aleksej V. | Sokolova, Ekaterina B. | Bukin, Oleg A. | Khoroshaeva, Elena 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. 96801X-1-96801X-7
Type: статьи в журналах
Date: 2015
Description: Experimental results of investigations into the transformation of the spectral and spatial characteristics of femtosecond collimated and focused Ti:Sapphire-laser beams with wavelengths of 800 and 400 ... More
Add   Filamentation of giga- and terawatts laser pulses in the water and glass
Authors: Apeksimov, Dmitrij V. | Golik, Sergej S. | Zemlyanov, Alexander A. | Iglakova, Anastasiya N. | Kabanov, Andrej M. | Kuchinskaya, Olesya I. | Matvienko, Gennadij G. | Oshlakov, Viktor K. | Petrov, Aleksej V. | Bukin, Oleg A. | Sokolova, Ekaterina B.
Source: Atomic and Molecular Pulsed Lasers : 12 International Conference, September 14-18, 2015, Tomsk, Russia : abstracts. Tomsk, 2015. P. 79
Type: статьи в сборниках
Date: 2015
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