A. G. Yastremskii

Institute of High Current Electronics

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ВФ

В. Ф. Лосев

Institute of High Current Electronics

N. G. Ivanov

Max Planck Institute for the Structure and Dynamics of Matter

Yu. N. Panchenko

Institute of High Current Electronics

S. A. Yampolskaya

Institute of High Current Electronics

Yu. I. Bychkov

Institute of High Current Electronics

V. F. Losev

Institute of High Current Electronics

АV

А. V. Puchikin

Institute of High Current Electronics

V. V. Ryzhov

Institute of High Current Electronics

СВ

С. В. Алексеев

Peter the Great St. Petersburg Polytechnic University

Mikhail Ivanov

Institute of Precambrian Geology and Geochronology

Cooperative Institutions

Institute of High Current Electronics

Russian Academy of Sciences

National Research Tomsk State University

Siberian Branch of the Russian Academy of Sciences

Tomsk Polytechnic University

V.E. Zuev Institute of Atmospheric Optics

P.N. Lebedev Physical Institute of the Russian Academy of Sciences

Institute of Electrophysics

Max Planck Institute for Plasma Physics - Greifswald

Leibniz Institute for Plasma Science and Technology

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Volume electrical discharge in Ne/SF6/C6H14 and pure SF6

Russian Physics Journal (1999)

Yu. I. Bychkov S. Gortchakov A. G. Yastremskii

Flare

Electric arc

10.1007/bf02509342

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Citations (0)

Influence of the input radiation pulse characteristics on the parameters of a XeF(C – A) amplifier in a THL-100 laser system

Quantum Electronics (2016)

A. G. Yastremskii N. G. Ivanov В. Ф. Лосев

We report the results of experimental and theoretical investigations on the influence of spatial and energy parameters of input radiation with a pulse duration of on output characteristics of a XeF(C – A) amplifier in a visible-range, multi-terawatt THL-100 laser system. Dynamics of the energy density radial distribution for laser radiation passing through the amplifier is studied. Results of numerical simulation are presented for amplification of laser beams with Gaussian and super-Gaussian radial energy density distributions. It is shown that the laser energy of obtained experimentally is not the limiting value. According to calculations, the output energy of the amplifier with such mirror configuration may reach , which in the case of a pulse compressed down to corresponds to the radiation power of .

10.1070/qel16171

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Citations (8)

Simulation of time–frequency characteristics of a chirped laser beam in a XeF(C-A) amplifier of a THL-100 laser system

Applied Optics (2023)

A. G. Yastremskii S. A. Yampolskaya В. Ф. Лосев Yu. N. Panchenko А. V. Puchikin

An algorithm for numerical simulation of time-frequency energy distribution of chirped Gaussian laser beams during amplification is proposed. The algorithm is based on a time-frequency description of laser radiation by the Wigner distribution function and the concept of a physical spectrum, which allows one to use the photon transfer equation for modeling the evolution of space, energy, and spectra characteristics of laser radiation. A comparison of the numerical simulation results and experimental measurements of laser radiation characteristics in a XeF(C-A) gas amplifier of a THL-100 hybrid laser system confirmed the applicability of the proposed model.

Wigner distribution function

10.1364/ao.495647

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Results of Studies of the High-Power Visible THL-100 Laser System

Atmospheric and Oceanic Optics (2022)

С. В. Алексеев В. Ф. Лосев A. G. Yastremskii

10.1134/s1024856022050025

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Citations (1)

Homogeneity and stability of volume electrical discharges in gas mixtures based on SF₆

Quantum Electronics (2000)

Yu. I. Bychkov Sergey Gorchakov A. G. Yastremskii

The electric parameters of the volume discharge and the transition of the discharge from the volume combustion to the channel stage are experimentally studied. It is shown that cathode spots of a hemispherical shape appear at the stage of the discharge formation. Over them, plasma plumes are developed which are combined to form a volume column of the discharge plasma. The discharge homogeneity increases with increasing density of the cathode spots. The distortion of the shape of cathode spots initiates the development of plasma channels. The development of the plasma channel is computer simulated. The results of calculations are discussed and compared with experimental data.

10.1070/qe2000v030n08abeh001800

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Citations (6)

Monte Carlo calculation of the interaction characteristics of low-energy electrons with a gas

Soviet Physics Journal (1975)

V. V. Ryzhov A. G. Yastremskii

10.1007/bf00892816

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Experimental Investigation and Modeling of Kinetic Processes in a KrF Laser

Russian Physics Journal (2014)

Yu. I. Bychkov A. G. Yastremskii S. A. Yampolskaya В. Ф. Лосев В. И. Дударев

Pulse duration

Excimer

10.1007/s11182-014-0326-3

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Citations (5)

Efficient XeCl laser with a semiconductor opening switch in a pump oscillator: Theory and experiment

Quantum Electronics (2007)

Yu. I. Bychkov Aleksei N Panchenko В. Ф. Тарасенко A E Tel'minov S. A. Yampolskaya

The parameters of laser radiation and kinetic processes of plasma formation and production of inverse population are studied. Electrophysical processes proceeding in a feed circuit containing a semiconductor opening switch and intermediate inductive energy storage are also considered. It is shown that the semiconductor opening switch controls the amount of energy in the inductive storage, and a high-voltage short prepulse with a peak pump power density of ∼1 MW cm-3 appearing during the current interruption can produce a volume-discharge plasma and create the inverse population for the time ∼10 ns, providing the conditions for efficient pumping of the active medium from the main capacitor. The time dependences of the pump and emission powers, the concentrations of electrons, excited xenon atoms, HCl(v) molecules in excited vibrational states and of the ionisation, recombination, and attachment rates are calculated. Kinetic processes determining the parameters of laser radiation are analysed. The output energy up to 1.0 J is obtained for 90-ns (FWHM) pulses with the efficiency up to 4.0% with respect to the pump energy. The maximum output power was 11 MW for the lasing efficiency of 4.7% with respect to the pump power. The calculated and experimental time dependences of the voltage across the laser gap, discharge current, and output power are in good agreement.

10.1070/qe2007v037n04abeh013253

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Citations (8)

Numerical Study of the Discharge Spatial Characteristics Influence on the KrF Laser Generation

IEEE Journal of Quantum Electronics (2020)

S. A. Yampolskaya A. G. Yastremskii Yu. N. Panchenko А. V. Puchikin S. M. Bobrovnikov

A self-consistent two-dimensional model of the discharge KrF laser on Ne/Kr/F ₂ gas mixtures is described. The model predictions are compared with the experimental results for a KrF laser with an excitation pulse duration of _~ 30 ns. An agreement within 10% for the discharge current and laser energy is obtained. Evolution of the discharge width and of the radiation intensity distribution between the electrodes over the time of a radiation pulse is demonstrated. In addition, the effect of the electrode radii on laser energy is analyzed.

Intensity

Pulse duration

10.1109/jqe.2020.2976532

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Citations (12)

Two-dimensional simulation of the development of an inhomogeneous volume discharge in a Ne/Xe/HCl gas mixture

Plasma Physics Reports (2013)

Yu. I. Bychkov S. A. Yampolskaya A. G. Yastremskii

Glow discharge

10.1134/s1063780x13050024

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Citations (10)