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  1. No Access

    Article

    Increase in Power of Radiation and Specific Concentration of Energy of Plasma of the High-Current Z-Pinches due to Compression of the Cascade Wire Arrays Interacting via Magnetic Field

    Experiments on compression of cascade tungsten wire arrays with reduced inductance at the final stage of pinching aimed at increasing the specific concentration of plasma energy of the high-current Z‑pinches w...

    G. S. Volkov, E. V. Grabovskii, A. N. Gritsuk, K. N. Mitrofanov… in Plasma Physics Reports (2024)

  2. No Access

    Article

    Study in the Extreme UV Range of the Spectral Transmission of Nickel Plasma Created under the Effect of an X-Ray Pulse of the Z-Pinch

    Spectral properties of the high-temperature plasma obtained by exposing a nickel layer to a source of high-power X-ray radiation (a power of 6–10 TW with a duration of 7–10 ns) based on a Z-pinch, formed durin...

    A. N. Gritsuk, K. N. Mitrofanov, V. V. Aleksandrov… in Plasma Physics Reports (2024)

  3. No Access

    Article

    Efficiency of Conversion of the Magnetic Energy into Z-Pinch Radiation of Nested Arrays of Mixed Composition at the Angara-5-1 Facility

    The results of experiments on the study of the generation of high-power pulsed soft X-ray (SXR) emission with a photon energy higher than 100 eV (in the spectral range with wavelengths λ shorter than 120 Å) du...

    K. N. Mitrofanov, A. N. Gritsuk, V. V. Aleksandrov… in Plasma Physics Reports (2023)

  4. No Access

    Article

    Digital Model of a Grazing-Incidence X-Ray Spectrograph and Techniques for Spectrum Reconstruction in the Range 2–40 nm

    A digital model of a grazing-incidence X-ray spectrograph and methods for reconstruction of soft X-ray spectra of a Z-pinch plasma at the Angara-5-1 facility in the 2–40 nm range have been developed. The main ...

    A. V. Skobliakov, D. S. Kolesnikov, A. V. Kantsyrev… in Plasma Physics Reports (2023)

  5. No Access

    Article

    On the Possibility of Observing Stimulated De-Excitation of Nuclear Isomer 186mRe in a High-Current Z-Pinch Plasma at the ANGARA-5-1 Setup

    In this paper, we consider an experimental procedure for searching for the stimulation of de-excitation of nuclear isomer (SDNI) of 186mRe (the isomer spontaneous half-life is T1/2 = 2 × 105 yr) in a high-current...

    G. S. Volkov, E. V. Grabovski, A. N. Gritsuk, V.V. Karasev… in Physics of Atomic Nuclei (2022)

  6. No Access

    Article

    X-Ray Filter with Variable Transmission for Experiments on the Action of a Multi-Terawatt Pulse of Soft X-Ray Radiation on Targets

    The results of experiments on the effect of soft X-ray radiation (SXR) on thin mylar films of micron thickness are presented. The main result of the research is the development and testing of an adaptive filte...

    V. V. Aleksandrov, A. V. Branitskii, E. V. Grabovsky… in Plasma Physics Reports (2022)

  7. No Access

    Article

    Increasing the Specific Energy Concentration of High-Current Z-Pinch Plasma by Using Transient Compression Modes

    The results of experiments on increasing the specific energy density of high-current Z-pinch plasma by using various compression modes are presented. The experiments were carried out with cascade wire cylindri...

    G. S. Volkov, E. V. Grabovsky, A. N. Gritsuk, G. L. Komarov… in Plasma Physics Reports (2022)

  8. No Access

    Article

    Effective Method for Increasing the Peak SXR Power in Experiments on Implosion of Nested Arrays of Mixed Composition

    The paper presents the results of experiments with the compression of the plasma of double multiwire arrays of mixed composition and the generation of powerful soft X-ray radiation (SXR) pulses carried out on ...

    K. N. Mitrofanov, V. V. Aleksandrov, A. V. Branitskii… in Plasma Physics Reports (2021)

  9. No Access

    Article

    Investigation of X-Ray Self-Emission of Plasma of Targets Heated by High-Power Pulses of Soft X-Ray Radiation

    Experiments aimed at investigation of X-ray self-emission of plasma of heated targets consisting of layers of different materials (Mylar, polypropylene, In, Sn, and Au) exposed to the action of energy flux of ...

    V. V. Aleksandrov, M. M. Basko, A. V. Branitskii, E. V. Grabovsky… in Plasma Physics Reports (2021)

  10. No Access

    Article

    Study of Interaction of Plasma Flows with Magnetic Field During Implosion of Cone-Cylindrical Nested Arrays

    The results of the studies of the compression of the plasma of cone-cylindrical nested arrays of mixed composition at current flow through them of up to 3 MA at the Angara-5-1 facility are presented. The outer...

    V. V. Aleksandrov, A. V. Branitskii, A. S. Boldarev… in Plasma Physics Reports (2021)

  11. No Access

    Article

    Study of the Time Dependence of the Plasma Formation Intensity at the Current Implosion of Cylindrical Wire and Fiber Arrays from Different Substances

    A characteristic feature of the implosion of multiwire arrays on powerful high-current electrophysical facilities (ZR, Angara-5-1, Julong-1 (PTS), MAGPIE, etc.) is the process of extended wire ablation. It is ...

    K. N. Mitrofanov, V. V. Aleksandrov, E. V. Grabovsky… in Plasma Physics Reports (2020)

  12. No Access

    Article

    Study of the Compression Dynamics of a Fiber Liner with a Deuterated Target Mounted on the Axis

    Compression of a fiber array with a deuterated target mounted on its axis is studied at the Angara-5-1 facility (3.5 MA, 100 ns). Cylindrical arrays with an initial diameter of 12 mm made from polypropylene fi...

    O. N. Abramov, V. V. Aleksandrov, G. S. Volkov, I. V. Volobuev… in Plasma Physics Reports (2020)

  13. No Access

    Article

    Electric Explosion of a Surface Carrying a Megaampere Current

    The formation of plasma on the surface of a current-carrying electrode of a high-current facility when a current flows through it with a linear density of up to 4 MA/cm and is coated with lead foil or ceramic ...

    V. V. Aleksandrov, A. V. Branitsky, E. V. Grabovski, A. N. Gribov… in Plasma Physics Reports (2020)

  14. No Access

    Article

    Generation of a Beam of Fast Electrons, Plasma Bremsstrahlung, and Characteristic Radiation in a High-Current Z-Pinch

    The generation of accelerated electron beams in a high-current Z-pinch formed by the implosion of wire cylindrical tungsten arrays on an Angara-5-1 facility is studied. The most intense characteristic and brem...

    V. V. Aleksandrov, E. A. Bolkhovitinov, G. S. Volkov… in Plasma Physics Reports (2020)

  15. No Access

    Article

    Dielectric Detector of Intense X-Ray Radiation Fluxes

    The high sensitivity of traditional diagnostic methods hinders their application in inertial confinement fusion with the pulsed radiation power of target plasma being as high as 1013–1014 W. Different methods ...

    I. A. Barykov, A. N. Gritsuk, S. A. Dan’ko, V. I. Zaitsev… in Physics of Atomic Nuclei (2019)

  16. No Access

    Article

    Study of the Compression of a Condensed Deuterated Target Installed on the Wire Array Axis

    The implosion of combined loads consisting of an outer wire (fiber) array and inner cylindrical target was studied experimentally at the Angara-5-1 facility (3.5 MA, 100 ns) at currents of up to 3.5 MA. The ex...

    V. V. Aleksandrov, G. S. Volkov, E. V. Grabovski, A. N. Gritsuk… in Plasma Physics Reports (2019)

  17. No Access

    Article

    Plasma Production during Implosion of Quasi-Spherical Wire Arrays

    The motion of the outer boundary of a quasi-spherical tungsten wire array at currents of 2−4 MA was studied experimentally. It is shown that the outer boundary shifts later than it is predicted by simulations ...

    E. V. Grabovski, A. V. Branitsky, V. V. Aleksandrov… in Plasma Physics Reports (2019)

  18. No Access

    Article

    Study of Biological Effects by Pulsed Bremsstrahlung Radiation of Ultrahigh Dose Rate at the Angara-5-1 Facility

    Radiological methods of treatment of malignant tumors are widespread in medical practice. In addition to the type of radiation and dose and fractionation of the radiation regime, the dose rate is one of the fa...

    V. P. Smirnov, V. K. Bozhenko, T. I. Gimadova, E. V. Grabovski… in Plasma Physics Reports (2018)

  19. No Access

    Article

    Features of the Application of the Magnetic-probe Method for Diagnostics of High-temperature Plasma

    Some aspects of the applicability of the magnetic-probe technique in high-power pulsed discharges are analyzed. The influence of an electron beam and an intense X-ray yield of (~1 TW/cm2), which result from the c...

    K. N. Mitrofanov, V. I. Krauz, E. V. Grabovski… in Instruments and Experimental Techniques (2018)

  20. No Access

    Article

    Study of Plasma Flow Modes in Imploding Nested Arrays

    Results from experimental studies of implosion of nested wire and fiber arrays at currents of up to 4 МА at the Angara-5-1 facility are presented. Depending on the ratio between the radii of the inner and oute...

    K. N. Mitrofanov, V. V. Aleksandrov, A. N. Gritsuk… in Plasma Physics Reports (2018)

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