Сектор лазеров и плазмы

ИТФ им. Л.Д. Ландау L.D.Landau ITP RAS

Сектор плазмы и лазеров Plasma & Lasers (RU| EN)

Результаты: рисунки, фильмы Results: drawings, movies

  • Kinetic coefficients of metals ablated under the action of femtosecond laser pulses.
    Yu.V. Petrov, N.A. Inogamov, K.P. Migdal
    XXVIII International Conference on Interaction of Intense Energy Fluxes with Matter 2013 - Elbrus-2013
    Elbrus2013Migdal.ppt
  • ELASTIC-PLASTIC PHENOMENA IN SHOCK WAVES CAUSED BY SHORT LASER PULSES.
    Victor A. Khokhlov, Nail A. Inogamov, Sergey I. Anisimov, Vasilii V. Zhakhovsky
    XXVIII International Conference on Interaction of Intense Energy Fluxes with Matter 2013 - Elbrus-2013
    Elbrus2013Khokhlov.ppt
  • The structure of the superelastic&plastic shock wave.
    Khokhlov, V.A., Inogamov, N.,A., Petrov, Yu.V., Anisimov, S.I., Zhakhovsky, V.V.
    XXVII International conference on Investigations of State of matter 2012 - Elbrus-2012
    Elbrus2012Khokhlov.zip
    Films: 2T-HD calculations: -0.3 - 0.3ps (laser pulse time), 3.5-4.8 ps, 5-10 ps, 10-20 ps
    MD simulations: Initional heating (0.6-7.0 ps) #10-110, Formation of SW: 7-16 ps #110-250, 16-18.5 ps #250-290, Acoustic wave from plastic to elastic SW 18.5-40 ps#290-690, 40-109 ps#690-1700, 109-139 ps#1700-1937, Acuostic wave (more precise) 139-155 ps#1937-2060, 155-219 ps#2060-2560, The spontaneous decay of a metastable superelastic state 219-262 ps#2560-2890, Plastic SW attenuation 262-420 ps#2890-4000 Stopping the plastic deformations front 423-940 ps#4010-6030
  • THERMAL CONDUCTIVITY DUE TO S-S AND S-D ELECTRON INTERACTION IN NICKEL AT HIGH ELECTRON TEMPERATURES
    Petrov Y.V., Inogamov N.A.
    XXVII International conference on Investigations of State of matter - Elbrus-2012
    Elbrus2012Petrpv.ppt
  • ELASTIC-PLASTIC PHENOMENA AND PROPAGATION OF STRONG SHOCK WAVES UNDER THE ACTION OF FEMTOSECOND LASER PULSES.
    N.A.Inogamov, V.A.Khokhlov, V.V.Zhakhovsky.
    XXVI International Conference on Physics of Extreme States of Matter 2011 - Elbrus- 2011
    Elbrus2011Khokhlov.ppt
  • ABLATION OF LITHIUM FLUORIDE DIELECTRIC CRYSTAL BY THE SHORT PULSES OF X-RAY PLASMA LASER AND EXTREME ULTRAVIOLET FREE ELECTRON LASER.
    S.I.Anisimov, A.Yu.Faenov, N.A.Inogamov, V.A.Khokhlov, Yu.V.Petrov, I.Yu.Skobelev, V.V.Zhakhovsky
    XXVI International Conference on Physics of Extreme States of Matter 2012 - Elbrus- 2011
    Elbrus2011Petrov.ppt
  • Investigation of two-temperature relaxation in thin foil on a glass substrate initiated by the action of ultrashort laser pulse.
    V.A.Khokhlov, N.A.Inogamov, S.I.Anisimov, V.V.Zhakhovsky, V.V.Shepelev, S.I.Ashitkov, P.S.Komarov, M.B.Agranat, V.E.Fortov.
    XXV International conference on Investigations of State of matter - Elbrus-2010
    Elbrus2010foil.zip
    Films: Laser pulse time 1.avi (-0.3 - 0.3 ps), Temperature relaxation 2.avi (0.3-5 ps), Sound wave (SW) formation 3.avi (6-170 ps), SW refraction of film surface 4.avi (170-200 ps), SW in 1200 nm foil 5.avi (200-1200 ps), SW in 760 nm foil 6.avi (5-100 ps), SW on 760 nm film surface 7.avi (100-110 ps), 350 nm film 8.avi (7-300 ps)
  • Destruction of a Solid Film under the Action of Ultrashort Laser Pulse
    S.I. Anisimov, V.V. Zhakhovski, N.A. Inogamov, K. Nishihara, A.M. Oparin, and Yu.V. Petrov
    Письма в ЖЭТФ, т. 77, вып. 11, pp. 731-736 (2003).
    ENGLISH translation: JETP Letters, Vol. 77, No. 11, pp. 606-610 (2003).
    nd_expansionHomoHeatedFoilLJ.avi

    Molecular dynamics (MD) simulation of the destruction of a crystal film heated by a femtosecond laser pulse was carried out. Heating is assumed to be instantaneous, because there is no time for the material to be displaced during the pulse. Film destruction is caused by the interaction of unloading waves. It can be considered as a model of a more complex process of splitting out of a thin surface layer from a massive target in the case where the layer remains solid after heating. It was found that the crystal order is broken due to the stretching strains and to the strong anisotropy of residual stress, resulting in a bipartition of the layer separating from the target. The lattice stretching and the formation of anisotropic stresses are due to the expansion of a heated lattice.

  • Simulation of the expansion of a crystal heated by an ultrashort laser pulse
    S.I. Anisimov, V.V. Zhakhovskii, N.A. Inogamov, K. Nishihara, Yu.V. Petrov
    Applied Surface Science, Vol. 253, pp. 6390-6393 (2007).
    C_dislocationsPlsticWaveLJhomo.avi

    Molecular dynamics (MD) simulation of expansion of quickly heated Lennard Jones (LJ) crystalline thin ?lmis performed. The heating time is assumed to be much shorter than the characteristic expansion time. Such situation occurs when a femtosecond laser pulse is absorbed by a crystal. We established that plastic rarefaction wave is formed and propagates from the vacuum boundary into solid.

  • Ablation of Au
  • Spallation of Au
  • Laser Solid
  • #56,T=2560
  • 111,T=3900
  • 084,T=5kK
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