Advertisement

Investigation of Plasma Parameters at the Spherical Heating of the Isolated Solid Target by High-Power Laser Radiation

  • N. G. Basov
  • E. G. Gamaly
  • O. N. Krokhin
  • Yu. A. Mikhailov
  • G. V. Sklizkov
  • S. I. Fedotov

Abstract

The results of the investigation of high-temperature non-stationary plasma produced at the spherical heating of the ball-shaped (CD2)n target by high-power irradiation of the 9-channel laser setup are reported. It had been found that the fraction of absorbed energy reached 70% of the incident radiation at flux densities ~ 1014 – 1015 W cm−2. About 10–25% of the energy absorbed in the target is reemitted in the X-ray spectral range, while the fraction of energy reflected from plasma was not greater than 10%. The study of gas-dynamic parameters of the hot plasma “corona” made it possible to measure the pressure in the dense plasma core. The pressure was about 106 – 107 atm at the flux density of about 1015 W cm−2. Experimental data on measuring density, velocity and pressure in the “corona” region made it possible to conclude about experimental realization of the compression value of the order of 30.

Neutron yield of about 107 neutrons per pulse was registered. Time of flight measurements of the neutron radiation indicated thermonuclear character of neutrons emitted at spherical heating of a target.

Keywords

Laser Energy Energy Deposition Plasma Parameter Neutron Yield Laser Pulse Duration 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    N. G. Basov, O. N. Krokhin, JETP 46, 171 (1964).Google Scholar
  2. N. G. Basov, 0. N. Krokhin, Vestnik Ac. Sci. USSR, N 6, 55 (1970).Google Scholar
  3. 2.
    N. Krokhin, In Physics of High Energy Density, Academic Press, 1 hc. N.Y.-L., 1971, p. 278.Google Scholar
  4. 3.
    H. Hora, Laser Interaction and Related Plasma Phenomena, ed. by H. Schwarz and H. Hora, Plenum Press, 1971, p. 383.Google Scholar
  5. 4.
    P. P. Pashinin, A. M. Prokhorov, JETP 60, 1630 (1971).Google Scholar
  6. 5.
    F. Floux, J. F. Benard, Laser Interaction and Related Plasma Phenomena, ed. by H. Schwarz and H. Hora, Plenum Press, 1972, p. 469.Google Scholar
  7. E. D. Jones, G. W. Gobeli, J. N. Olsen, Laser Interaction and Related Plasma Phenomena, ed. by H. Schwarz and H. Hora, Plenum Press, 1972, p. 469.Google Scholar
  8. 6.
    V. A. Boiko, O. N. Krokhin, G. V. Sklizkov, Preprint N 121, FIAN, Moscow, 1972.Google Scholar
  9. A. A. Rupasov, G. V. Sklizkov, V. P. Tzapenko, A. S. Shikanov, JETP 65, 11, 1898 (1973).Google Scholar
  10. 7.
    Yu. V. Afanasiev, E. M. Belenov, 0. N. Krokhin, I. A. Poluektov, JETP Lett. 13, 5, 257 (1971).Google Scholar
  11. 8.
    S. Kaliski, Proceeding of Vibr. Probl. 12, 3, 243 (1971).Google Scholar
  12. S. Kaliski, Proceeding of Vibr. Probl. 12, 3, 231 (1971).Google Scholar
  13. 9.
    L. A. Artsimovich, Controlled Thermonuclear Reactions, Moscow, Fizmatgiz, 1963.Google Scholar
  14. 10.
    J. D. Lawson, Proceeding of the Phys. Soc., 70, Part 1, N 445B, 11 (1957).Google Scholar
  15. 11.
    N. G. Basov, 0. N. Krokhin, G. V. Sklizkov, JETP Lett. 6 6, 683 (1967).Google Scholar
  16. 12.
    J. W. Daiber, A. Hertzberg and C. E. Wittliff, Phys. Fluids, 9, 3, 617 (1966).ADSCrossRefGoogle Scholar
  17. 13.
    N. G. Basov, D. N. Krokhin, G. V. Sklizkov, Quantum Radiophysics, Trydi FLAN 52, 171 (1970).Google Scholar
  18. 14.
    V. A. Gribkov, V. Ya. Nikulin, G. V. Sklizkov, Short Communications in Physics, FIALA, N 2, 45 (1971).Google Scholar
  19. 15.
    H. Puell, H. Opower and H. J. Neusser, Phys. Lett. 31A, 1, 4 (1970).CrossRefGoogle Scholar
  20. 16.
    N. V. Filippov, V. I. Agafonov, I. R. Belyaeva, V. V. Vikhrev, V. A. Gribkov, L. G. Golubchikov, V. F. Dyachenko, V. S. Imshennik, V. D. Ivanov, 0. N. Krokhin, M. P. Moiseeva, G. V. Sklizkov, T. I. Filippova, Plasma Physics and Controlled Nuclear Fusion Research, Vol. I, Madison, USA, 1971.Google Scholar
  21. 17.
    N. J. Peacock, M. G. Hobby and P. D. Morgan, CN-28/D-3, IAEA 4th Conf. on Plasma Physics and Controlled Nuclear Fusion Research, Madison, USA, 1971.Google Scholar
  22. 18.
    N. G. Basov, Laser Interaction and Related Plasma Phenomena, ed. by H. Schwarz and H. Hora, Plenum Press, 1972, p. 389.Google Scholar
  23. 19.
    J. Nuckolls, L. Wood, A. Thiessen and G. Zimmerman, “Laser Compression of Matter to Super-High Densities Thermonuclear (CTR) Application”. Paper presented at Conference on Quantum Electronics, Montreal, Canada, 1972.Google Scholar
  24. 20.
    K. A. Brueckner. Preprint KMS Fusion, Inc., KMSF-NRS, 1972. See also these proceedings.Google Scholar
  25. 21.
    N. G. Basov, 0. N. Krokhin, G. V. Sklizkov, S. I. Fedotov, A. S. Shikanov, JETP 62, 1, 202 (1972).Google Scholar
  26. N. G. Basov, 0. N. Krokhin, G. V. Sklizkov, S. I. Fedotov, A. S. Shikanov. Preprint N 123, FIAN, Moscow, 1970.Google Scholar
  27. 22.
    S. W. Mead, Phys. Fluids 13, 1510 (1970).ADSCrossRefGoogle Scholar
  28. 23.
    N. G. Basov, Yu. S. Ivanov, 0. N. Krokhin, Yu. A. Mikhailov, G. V. Sklizkov, S. I. Fedotov, JÈTP Lett. 15, 10 (1972).Google Scholar
  29. N. G. Basov, V. A. Boiko, S. M. Zakharov, 0. N. Krokhin, Yu. A. Mikhailov, G. V. Sklizkov, S. I. Fedotov, JETP Lett. 18, 5, 184 (1973).ADSGoogle Scholar
  30. V. A. Gribkov, 0. N. Krokhin, G. V. Sklizkov, N. V. Filippov, T. I. Filippova, JETP Lett. 18, 9, 541 (1973).Google Scholar
  31. 24.
    N. G. Basov, V. A. Boiko, S. M. Zakharov, 0. N. Krokhin, G. V. Sklizkov, JETP Lett. 13, 691 (1971).Google Scholar
  32. 25.
    S. W. Mead, R. E. Kidder, J. E. Swain, “Preliminary Measurements of X-ray and Neutron Emission from Laser-Produced Plasmas”, Lawrence Radiation Laboratory (University of California), Preprint UCRL-73356, 1971.Google Scholar
  33. 26.
    C. Yamanaka, T. Yamanaka, T. Sasaki, K. Toshida, M. Waki, H. Kang, “Plasma Generation and Heating to Thermonuclear Temperature by Laser”, Institute of Plasma Physics (Nagoya University). Preprint IPPJ-117, 1972. See also these proceedings.Google Scholar
  34. 27.
    F. Floux, D. Cognard, L. Denoeud, G. Prior, D. Parisot, J. Bobin, F. Delobean, C. Fauquignon, Phys. Rev. A. (General Physics) 1, 821 (1970).ADSCrossRefGoogle Scholar
  35. 28.
    N. G. Basov, 0. N. Krokhin, A. A. Rupasov, G. V. Sklizkov, S. I. Fedotov. Preprint N 47, FLAN, Moscow, 1973.Google Scholar
  36. 29.
    N. G. Basov, 0. N. Krokhin, G. V. Sklizkov, S. I. Fedotov, Preprint, FLAN, Moscow, 1974.Google Scholar
  37. 30.
    V. P. Korobeinikov, N. S. Melnikov, E. V. Ryazanov, Theory of the Point Explosion, Moscow, Fizmatgiz, 1961.Google Scholar
  38. 31.
    Ya. B. Zeldovich, Yu. P. Raizer, Physics of Shock Waves and High Temperature Gas Dynamic Phenomena, Moscow, 1966.Google Scholar
  39. 32.
    L. M. Biberman, V. S. Vorobiev, G. E. Norman, Optics and Spectroscopy, XIV, 3, 330 (1963).Google Scholar
  40. 33.
    F. G. Iahoda, E. M. Little, W. E. Quinn, G. A. Sawyen, T. F. Stratton, Phys. Rev. 119, 3, 843 (1960).ADSCrossRefGoogle Scholar
  41. 34.
    K. Büchl, K. Eidman, P. Mylser, H. Salzmann, R. Sigel, S. Witkowski. Paper CN28-D-II, Proc. of IAEA 4th Conf. on Plasma Physics and Controlled Nuclear Fusion Research, Wisconsin, USA, 1971.Google Scholar
  42. 35.
    N. G. Basov, V. A. Boiko, V. A. Gribkov, S. M. Zakharov, 0. N. Krokhin, G. V. Sklizkov, JETP Lett. 9, 520 (1969).Google Scholar
  43. 36.
    N. G. Basov, V. A. Goiko, V. A. Gribkov, S. M. Zakharov, 0. N. Krokhin, G. V. Sklizkov, JETP 61, 154 (1971).Google Scholar
  44. 37.
    L. D. Landau and E. M. Lifshitz, Theoretic Physics, Vol. V, Moscow, 1964.Google Scholar
  45. 38.
    K. P. Stanvukovich, Nonstationary Motions of a Continuous Medium, Moscow, 1971.Google Scholar
  46. 39.
    E. B. Goldman, Plasma Physics 15 4, 289 (1973).ADSCrossRefGoogle Scholar

Copyright information

© Plenum Press, New York 1974

Authors and Affiliations

  • N. G. Basov
    • 1
  • E. G. Gamaly
    • 1
  • O. N. Krokhin
    • 1
  • Yu. A. Mikhailov
    • 1
  • G. V. Sklizkov
    • 1
  • S. I. Fedotov
    • 1
  1. 1.P. N. Lebedev Physical InstituteMoscowUSSR

Personalised recommendations