Search Results - "Losev, V. F."
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1
Lasing from Molecular Nitrogen Ions at a Wavelength of 391.4 nm in Laser Plasma
Published in Bulletin of the Lebedev Physics Institute (01-12-2023)“…We report results of experimental studies on spectral, temporal, energy and spatial characteristics of coherent radiation at a wavelength of 391.4 nm […”
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2
Lasing on Molecular Nitrogen Ions in Laser Plasma
Published in Bulletin of the Russian Academy of Sciences. Physics (01-06-2024)“…The authors study characteristics of lasing on molecular nitrogen ions in laser plasma created by a femtosecond radiation pulse. The maximum intensities at…”
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3
Cavity-Free Lasing from Molecular Nitrogen Ions in Air Laser Plasma
Published in Optics and spectroscopy (01-02-2022)“…—The paper presents the results of a study of the temporal and spectral characteristics of lasing at transition of molecular nitrogen ions in laser plasma…”
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4
Results of Studies of the High-Power Visible THL-100 Laser System
Published in Atmospheric and oceanic optics (01-10-2022)“…The results of recent studies aimed at increasing the energy and peak power of the THL-100 hybrid femtosecond laser system in the visible region based on a…”
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5
Generating THz Radiation in Laser Plasma Created by Femtosecond Pulse
Published in Bulletin of the Russian Academy of Sciences. Physics (01-07-2022)“…Results are presented from experimental studies of the conditions for generating terahertz radiation in the filament plasma. The intensity and polarization of…”
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6
Numerical Simulation of Radiation Spectrum Evoluтion in XeF(C-A) Amplifier of THL-100 Laser System
Published in Russian physics journal (01-06-2021)“…Evolution of the spectral characteristics of frequency-modulated radiation with pulse duration of 250 ps, energy of 2 mJ, and central wavelength λ = 475 nm in…”
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7
An Excimer XeCl Minilaser
Published in Atmospheric and oceanic optics (01-10-2022)“…An electric-discharge XeCl minilaser and the results of its experimental modeling are described. The laser uses a two-stage system of magnetic compression of…”
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8
Using Oxide Nonlinear Crystals to Convert Frequencies to the THz Range
Published in Bulletin of the Russian Academy of Sciences. Physics (01-07-2022)“…A study is performed of using such oxide nonlinear crystals as beta barium borate, lithium triborate, and lithium tetraborate to create powerful sources of…”
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9
Spectral Changes of the Second Harmonic during the Conversion and Amplification of a Chirped Pulse
Published in Bulletin of the Russian Academy of Sciences. Physics (01-07-2022)“…Results are presented from experimental and theoretical studies of spectral profile of second harmonic radiation with a central wavelength of 475–477 nm during…”
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10
Spectral Contour Broadening upon the Generation of the Second Harmonic
Published in Bulletin of the Russian Academy of Sciences. Physics (01-07-2020)“…Radiation spectrum broadening upon the generation of the second harmonic in nonlinear crystal is studied. Spectrum broadening is ensured in one or two…”
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11
Conversion of a Chirp Pulse Into the Second Harmonic in a KDP Crystal
Published in Russian physics journal (15-03-2019)“…Results of investigation of conversion of radiation with the wavelength λ = 950 nm and pulse duration of 100 ps into the second harmonic are reported. It is…”
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12
Kerr nonlinearity effect on femtosecond pulse radiation filamentation in air
Published in Atmospheric and oceanic optics (01-07-2017)“…The conditions for filamentation of femtosecond pulse laser radiation when focusing in air are studied experimentally and theoretically. A good agreement…”
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13
Generation of High Power THz Radiation in ZnGeP2 upon Femtosecond Ti:Sapphire Laser Pumping
Published in Bulletin of the Russian Academy of Sciences. Physics (01-08-2020)“…The possibility of generating high power terahertz radiation in a nonlinear crystal of zinc germanium phosphide (ZnGeP 2 ) with pumping in a short-wavelength…”
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14
IR-to-THz Down Conversion in Nonlinear GaSe:Al Crystals
Published in Bulletin of the Russian Academy of Sciences. Physics (01-07-2020)“…The optical properties and hardness of GaSe, GaSe:Al, GaSe:S:Al, and GaSe:Al:O crystals are studied to create effective terahertz radiation generators. Doped…”
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15
Formation of Highly Directional White Light Radiation in Air Filament
Published in Bulletin of the Russian Academy of Sciences. Physics (01-07-2020)“…Experimental studies of the physical processes and parameters of radiation and plasma in the region of filamentation upon the axisymmetric and aberrational…”
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16
Pulse Duration of Superradiance on Molecular Nitogen Ions in Air Laser Plasma
Published in Russian physics journal (2021)“…The results of a study of pulse duration of superradiance on molecular nitrogen ions in air under different conditions of focusing a femtosecond laser pulse…”
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17
Numerical Study of Amplification of Subnanosecond Radiation Pulses in the Gas Amplifier of the THL-100 Laser System
Published in Russian physics journal (01-09-2019)“…Methods for increasing the energy characteristics of the THL-100 hybrid laser system are investigated by numerical modeling. The influence of the input laser…”
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18
Control of THz Radiation Divergence in Laser Filaments
Published in Atmospheric and oceanic optics (01-07-2019)“…Conditions for THz generation in the plasma of a filament produced by ultrashort laser pulses in air under aberrations in a one- and two-color optical scheme…”
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19
Influence of a Fundamental Frequency Pulse Chirp on the Spectral and Temporal Second-Harmonic Characteristics
Published in Russian physics journal (01-04-2020)“…The results of investigation of the possibility of reducing the duration of the second-harmonic radiation pulse generated by the starting complex of an THL-100…”
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20
Influence of Discharge Plasma Inhomogeneities on the Characteristics of KrF-Laser Radiation
Published in Russian physics journal (01-04-2021)“…Results of studies of the electric-discharge KrF laser with a specific pulse energy of ~6 J/L and an internal energy efficiency of more than 4% are presented…”
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