Hot electron production and heating by hot electrons in fast ignitor research

In an experimental study of the physics of fast ignition, the characteristics of the hot electron source at laser intensities up to 10 20 W cm −2 have been measured and a diagnosis of the heating at depth by hot electrons has been initiated. Generation of hot electrons with more than 30% efficienc...

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Veröffentlicht in:	Physics of Plasmas 1998-05, Vol.5 (5), p.1966-1972
Hauptverfasser:	Key, M. H., Cable, M. D., Cowan, T. E., Estabrook, K. G., Hammel, B. A., Hatchett, S. P., Henry, E. A., Hinkel, D. E., Kilkenny, J. D., Koch, J. A., Kruer, W. L., Langdon, A. B., Lasinski, B. F., Lee, R. W., MacGowan, B. J., MacKinnon, A., Moody, J. D., Moran, M. J., Offenberger, A. A., Pennington, D. M., Perry, M. D., Phillips, T. J., Sangster, T. C., Singh, M. S., Stoyer, M. A., Tabak, M., Tietbohl, G. L., Tsukamoto, M., Wharton, K., Wilks, S. C.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION BEAM INJECTION HEATING ELECTRON BEAM INJECTION ELECTRON SOURCES IGNITION SYSTEMS INERTIAL CONFINEMENT PLASMA DIAGNOSTICS PLASMA HEATING
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Beschreibung
Zusammenfassung:	In an experimental study of the physics of fast ignition, the characteristics of the hot electron source at laser intensities up to 10 20 W cm −2 have been measured and a diagnosis of the heating at depth by hot electrons has been initiated. Generation of hot electrons with more than 30% efficiency has been observed. Preliminary heating data suggest temperatures kT in the range 300–800 eV.
ISSN:	1070-664X 1089-7674
DOI:	10.1063/1.872867