V. T. Karpukhin

ORCID: 0000-0003-0461-1215
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Research Areas
  • Laser Design and Applications
  • Laser-Ablation Synthesis of Nanoparticles
  • Solid State Laser Technologies
  • Advanced Sensor Technologies Research
  • Spectroscopy and Laser Applications
  • Laser Material Processing Techniques
  • Catalysis and Oxidation Reactions
  • Diamond and Carbon-based Materials Research
  • Fusion and Plasma Physics Studies
  • Cold Fusion and Nuclear Reactions
  • Laser-induced spectroscopy and plasma
  • Plasma Diagnostics and Applications
  • Nonlinear Optical Materials Studies
  • Ocular and Laser Science Research
  • Analytical Chemistry and Sensors
  • Magnetic confinement fusion research
  • Atomic and Molecular Physics
  • Plasma Applications and Diagnostics
  • Electrohydrodynamics and Fluid Dynamics
  • Advanced Materials Characterization Techniques
  • Ranque-Hilsch vortex tube
  • Gas Dynamics and Kinetic Theory
  • Nuclear Issues and Defense
  • Vacuum and Plasma Arcs
  • Nuclear Physics and Applications

Joint Institute for High Temperatures
2009-2020

Russian Academy of Sciences
2011-2015

Russian Academy of Natural Sciences
2012

Abstract The energetic ions and DD neutrons from microfusion at the interelectrode space of a low energy nanosecond vacuum discharge with deuterium‐loaded Pd anode has been demonstrated recently. To understand better physics fusion processes detailed PIC simulation experimental conditions have developed using fully electrodynamic code KARAT. dynamics main charge particle species was recon‐structed in time space. principal role virtual cathode (VC) corresponding single double potential well...

10.1002/ctpp.201110014 article EN Contributions to Plasma Physics 2011-06-01

Neutrons from DD fusion in the interelectrode space of a table‐top, low‐energy, nanosecond vacuum discharge with deuterium‐loaded Pd anode have been demonstrated earlier. In addition, principal role virtual cathode and corresponding deep potential well formed are recognized under detailed particle‐in‐cell simulations experimental conditions using fully electrodynamic code. PIC modelling has allowed identification scheme small‐scale experiments rather old branch plasma physics as inertial...

10.1002/ctpp.201700188 article EN Contributions to Plasma Physics 2018-05-18

DD neutrons from microfusion in the interelectrode space of a table-top low energy nanosecond vacuum discharge with deuterium-loaded Pd anode have been demonstrated earlier. The detailed particle-in-cell (PIC) simulation experimental conditions developed using fully electrodynamic code. principal role virtual cathode and corresponding deep potential well (PW) formed are recognized. PIC modeling has allowed identifying scheme small-scale experiment rather old branch plasma physics as inertial...

10.1088/1742-6596/653/1/012025 article EN Journal of Physics Conference Series 2015-11-11

The experimental data of studies layered organic-inorganic nanocomposites ( 𝛽 ) - Z n O H 2 + D S and C u 3 which were produced in the result ablation zinc copper aqueous solutions surfactants—dodecyl sodium sulfate (SDS) bis-ethylhexyl succinate (AOT)—are presented. Dependence formation dynamics these composites on an exposure time radiation aging colloids was studied by absorption spectroscopy, X-ray diffraction, scanning electron (SEM), atomic force microscopy (AFM). Composite with...

10.1155/2012/910761 article EN cc-by Journal of Nanotechnology 2012-01-01

The effect of UV and visible laser light on the structure composition layered organic – inorganic nanocomposites transition metals, zinc [zinc hydroxide/dodecyl sulfate, ] copper [copper ], has been experimentally investigated. Nanocomposites have synthesised by ablation targets from aforementioned materials in aqueous solutions a surfactant: sodium dodecyl sulfate (SDS). absorption Raman spectra thus obtained colloids are analysed. structural morphology solid phase isolated determined using...

10.1070/qe2013v043n06abeh015062 article EN Quantum Electronics 2013-06-30

The output energy parameters of an industrial KULON copper vapour laser equipped with a nonlinear frequency converter based on DKDP and BBO crystals are studied. average peak powers, as well the energies pulse durations radiation at wavelengths 510, 578, 255, 271, 289 nm, measured in regime high-speed modulation, which is used lasers this series. maximum power was 420 mW wavelength 271 nm (DKDP) 350 110 255 respectively (BBO). It experimentally shown that characteristics UV can be controlled...

10.1070/qe2009v039n05abeh013954 article EN Quantum Electronics 2009-05-31

Results of numerical simulation re presented for copper vapor laser (CVL) excitation by a pulse-periodical inductive discharge. A CVL realization with coaxial discharge chamber is studied. It was shown that better matched specific features pumping method than an ordinary cylindrical chamber. High lasing output characteristics are obtained in experiments, which confirms possibility efficient new method.

10.1088/1742-6596/826/1/012003 article EN Journal of Physics Conference Series 2017-04-20

Processes of nuclear burning various elements in the scheme a compact inertial electrostatic confinement implemented on basis nanosecond vacuum discharge (NVD) with low-energy hollow cathode were investigated experimentally earlier. This paper presents results recent series DD fusion experiments newly created experimental set-up NVD-2 combined x-ray and neutron yield diagnostics. The voltage-current (VA) characteristics discharge, regimes generation neutrons realized are presented discussed....

10.1088/1742-6596/774/1/012131 article EN Journal of Physics Conference Series 2016-11-01

New results are presented on the efficient generation of UV radiation by using nonlinear DKDP and BBO crystals a two-pass copper vapour laser amplifier with enhanced peak power. The average power (average optical efficiency) at sum frequency (λ=0.271 μm) was 3.6 W (24%) for crystal 2.1 (14%) crystal. maximum second-harmonic generated 3.4 (44%) 0.289 μm (27%) 0.255 μm.

10.1070/qe2005v035n09abeh003410 article EN Quantum Electronics 2005-09-30

1 Structural, morphological and optical properties of nanoproducts laser ablation zirconium target in water aqueous SDS solutions were investigated.Depending on experiment conditions the indicated products can appear as different crystalline phases zirconia organic-inorganic composites, which include alkyl chains intercalated between layers oxides or hydroxides.The formation dioxide-based hollow nano microstructures is demonstrated.It suggested that formed gas-vapor bubbles serve templets...

10.23939/chcht11.01.025 article EN Chemistry & Chemical Technology 2017-02-27

The energy characteristics of a KULON-10 Cu-M technological copper vapour laser operating in the regime high-speed pulsed modulation produced by special current pulses are investigated. range time delays an additional pulse with respect to main is determined which peak power pulses, their and duration can be varied. total all-line within divergence angle achieves 120 kW for nominal delay. average powers, energies, durations measured individual components beam different (down...

10.1070/qe2007v037n08abeh013346 article EN Quantum Electronics 2007-08-31

Earlier, there was demonstrated generation of DD neutrons in an interelectrode medium a low-energy (∼ 1 J) nanosecond vacuum discharge with hollow cathode and deuterium-loaded Pd anode. There revealed essential role formation virtual potential well corresponding thereto the processes collisional synthesis space. In this work, we have obtained as result experiment discussed neutron yield at very initial stage discharge, when beam auto-electrons just starts to irradiate non-ideal surface

10.1088/1742-6596/946/1/012025 article EN Journal of Physics Conference Series 2018-01-01

Abstract. The paper deals with structural, morphological and optical properties ofnanoproducts which undergone zirconium laser ablation in water aqueous SDS solutions.Depending on experiment conditions the indicated products can appear as different crystallinephases of zirconia organic-inorganic composites, include alkyl chains intercalatedbetween layers oxides or hydroxides. formation dioxide-basedhollow nano- microstructures is demonstrated. It suggested that ablation-formed gas-vapor...

10.15688/jvolsu10.2014.5.5 article EN cc-by Vestnik Volgogradskogo gosudarstvennogo universiteta Serija 10 Innovatcionnaia deiatel’nost’ 2014-11-24

We present the results of numerical investigation regarding physical processes in working medium a copper vapour laser pumped by trains high-frequency (ftr≈30 MHz) current oscillations with f≈10 kHz repetition rates. An electrodeless discharge achieved employment an induction-type process, which is new for this type lasers, was considered. Elimination electrodes design such inductive will, principle, provide means to increase lifetime and reliability sealed tubes reduce their costs.

10.1088/1742-6596/927/1/012009 article EN Journal of Physics Conference Series 2017-11-01

A method for increasing the peak radiation pulse power of self-terminated amplifiers without changing pump an active medium and energy extraction is discussed. The first experimental results obtained by using media copper vapour lasers are presented. nearly twofold increase in output achieved.

10.1070/qe2003v033n05abeh002426 article EN Quantum Electronics 2003-05-31
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