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  1. No Access

    Article

    Generation of High-Order Harmonics by Gallium Ions in Intense Laser Pulse

    The spectrum of high-order harmonics generated in interaction of an intense femtosecond laser pulse with a singly charged gallium ion is theoretically investigated. The results of the calculations reveal enhan...

    A. I. Magunov, V. V. Strelkov, S. N. Yudin in Physics of Wave Phenomena (2023)

  2. No Access

    Article

    Intensity of Resonant Harmonic Generated in the Multiphoton Ionization Regime

    The relative intensities of the resonant and nonresonant high-order harmonics, generated by singly charged gallium and indium ions in the field of a laser pulse with a duration of 20 fs and intensity ranging f...

    A. I. Magunov, V. V. Strelkov in Physics of Wave Phenomena (2020)

  3. No Access

    Article

    Emission Spectrum of an Atom in the Field of Intense Ultrashort Laser Pulse

    The spectral probability densities of the spontaneous emission and the generation of harmonics by a hydrogen atom in the field of intense laser pulse are calculated. A previously proposed approach is used, whi...

    A. I. Magunov in Physics of Wave Phenomena (2018)

  4. No Access

    Article

    S-matrix approach to the problem of high-harmonic generation in the field of intense laser wave

    A method using expansion of the wave function in the basis of photonic and free atomic eigenstates is proposed for calculating the emission spectrum of an atom in a laser field. The wave function is constructe...

    A. I. Magunov, V. V. Strelkov in Physics of Wave Phenomena (2017)

  5. No Access

    Article

    Selective laser pum** of magnetic sublevels in the hyperfine structure of the cesium atom

    The evolution of the populations of the magnetic sublevels of the cesium atom (133Cs isotope) in resonant laser fields with linear polarization is analyzed using the equations for the density matrix. Analytic exp...

    A. I. Magunov, V. G. Palchikov in Journal of Experimental and Theoretical Physics (2014)

  6. No Access

    Article

    Influence of the laser-induced continuum structure on cross sections of the over threshold scattering of photons on atom

    Process of photon scattering on atoms is considered at energy above the ionization threshold. Influence of the resonant structure in the continuum, induced by a laser field due to coupling with the level 41 ...

    E. V. Gryzlova, A. I. Magunov, S. I. Strakhova in Optics and Spectroscopy (2011)

  7. No Access

    Chapter

    Ion Acceleration in Subcritical Density Plasma via Interaction of Intense Laser Pulse with Cluster-Gas Target

    We present substantial enhancement of the accelerated ion energies up to 10–20 MeV per nucleon by utilizing the unique properties of the cluster-gas target irradiated with 40-fs laser pulses of only 150 mJ ene...

    Y. Fukuda, A. Ya. Faenov, M. Tampo… in Progress in Ultrafast Intense Laser Scienc… (2011)

  8. No Access

    Article

    Diagnostics of plasma produced by femtosecond laser pulse impact upon a target with an internal nanostructure

    X-ray diagnostics of the interaction of femtosecond laser pulses with intensities of 1016–1018 W/cm2 with CO2 clusters and frozen nanosize water particles is carried out. The stage of cluster expansion and the fo...

    I. Yu. Skobelev, A. Ya. Faenov, S. V. Gasilov, T. A. Pikuz… in Plasma Physics Reports (2010)

  9. No Access

    Article

    Angular distribution and polarization of photons during resonant above-threshold scattering on an atom

    The effect of the resonant structure in the continuous spectrum induced by an external laser field due to the coupling of continuum states with the 1s4s 1 S level i...

    E. V. Gryzlova, A. I. Magunov, S. I. Strakhova in Bulletin of the Lebedev Physics Institute (2010)

  10. No Access

    Article

    Laser-induced optical activity in range of Rydberg autoionizing states of xenon

    Optical activity of xenon atoms in the vacuum UV range induced by circularly polarized laser light is studied theoretically. The optical activity arises in the vicinity of the autoionizing state 5p ...

    E. V. Gryzlova, A. N. Grum-Grzhimailo, A. I. Magunov… in Optics and Spectroscopy (2010)

  11. No Access

    Article

    Ionography of nanostructures with the use of a laser plasma of cluster targets

    It has been shown that a femtosecond plasma of cluster targets is an almost isotropic source of fast ions and, hence, can be used to obtain ionographic images with a wide field of view. The spatial resolution ...

    A. Ya. Faenov, T. A. Pikuz, Y. Fukuda, M. Kando, H. Kotaki, T. Homma… in JETP Letters (2009)

  12. No Access

    Article

    Application of snow nanograin targets for the generation of fast ions in femtosecond laser plasma

    We have measured the energy of the directed motion of multiply charged ions produced when solid targets are exposed to low-contrast (10−3–10−2) femtosecond laser pulses with intensities 1015–1016 W cm−2. The meas...

    A. Ya. Faenov, A. I. Magunov, S. A. Pikuz… in Journal of Experimental and Theoretical Ph… (2008)

  13. No Access

    Article

    X-ray spectroscopic diagnostics of ultrashort laser-cluster interaction at the stage of the nonadiabatic scattering of clusters

    X-ray spectroscopic diagnostics of laser-cluster interaction at the stage of nonadiabatic scattering of clusters and formation of a spatially uniform plasma channel has been performed. The experimental investi...

    A. Ya. Faenov, A. I. Magunov, T. A. Pikuz, I. Yu. Skobelev, D. Giulietti… in JETP Letters (2007)

  14. No Access

    Article

    Generation of fast ions in femto-and picosecond laser plasmas at low intensities of the heating radiation

    X-ray spectra from Teflon targets irradiated by laser pulses with a duration of 60 fs to 1 ps have been investigated experimentally. It is shown that, when the contrast of the laser pulse is sufficiently low, ...

    A. Ya. Faenov, A. I. Magunov, T. A. Pikuz, I. Yu. Skobelev, S. Stagira… in JETP Letters (2006)

  15. No Access

    Article

    Laser-induced effects for overlap** autoinoizing rydberg states of xenon

    The effect of a laser field on the cross section of photoionization of an atom by probe radiation in the region of closely lying autoionizing resonances is studied theoretically. The cross sections in the regi...

    A. N. Grum-Grzhimaĭlo, E. V. Gryzlova, A. I. Magunov… in Optics and Spectroscopy (2006)

  16. No Access

    Article

    Characterization of compact bright soft X-ray source based on picosecond laser plasma

    Radiation emission of silicon and aluminum plasmas produced by 40-ps laser pulses with peak intensity above 1014 W/cm2 was studied. High-resolution soft X-rayspectra of H-like and He-like ions were analyzed to de...

    A.I. Magunov, D. Batani, A.Y. Faenov, G. Lucchini, T. Desai, F. Padoan… in Applied Physics B (2006)

  17. No Access

    Article

    Effective temperature and the directional motion of fast ions in a picosecond laser plasma

    Experimental data are reported on the generation of fast ions in a picosecond laser plasma at a laser-radiation intensity of 2 × 1018 W/cm2. The results are obtained by measuring the Doppler spectra of hydrogen-l...

    V. S. Belyaev, V. I. Vinogradov… in Journal of Experimental and Theoretical Ph… (2005)

  18. No Access

    Article

    Measurement of the characteristics of a point source of x-rays using a picosecond laser plasma

    The emissive properties of silicon and aluminum plasmas, produced by 40 psec laser pulses with a peak intensity of greater than 1014 W/cm2, are investigated. The x-ray line spectra of H- and He-like ions, measure...

    A. I. Magunov, A. Ya. Faenov, T. A. Pikuz, I. Yu. Skobelev… in Measurement Techniques (2005)

  19. No Access

    Article

    X-ray spectroscopic observations of a superdense plasma in nanoparticles irradiated by superintense femtosecond laser radiation

    The interaction of femtosecond laser pulses with SiO2 aerogel targets has been analyzed by x-ray spectroscopic methods. The use of an aerogel target with transparent grains makes it possible to considerably reduc...

    A. Ya. Faenov, T. A. Pikuz, I. Yu. Skobelev… in Journal of Experimental and Theoretical Ph… (2004)

  20. No Access

    Article

    Plasma satellites of X-ray lines of ions in a picosecond laser plasma

    We present the results of our measurements of the spectra for multicharged ions in a plasma produced by moderately intense (about 1017Wcm−2) picosecond laser pulses. They suggest the existence of intense plasma o...

    V. S. Belyaev, V. I. Vinogradov… in Journal of Experimental and Theoretical Ph… (2004)

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