K-SHELL AND L-SHELL X-RAY SPECTROSCOPIC MEASUREMENTS OF FUEL AND PUSHER DOPANTS IN INDIRECTLY DRIVEN ICF IMPLOSIONS

被引:37
作者
HAMMEL, BA
KEANE, CJ
DITTRICH, TR
KANIA, DR
KILKENNY, JD
LEE, RW
LEVEDAHL, WK
机构
关键词
D O I
10.1016/0022-4073(94)90071-X
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Time resolved x-ray spectroscopy is used to study the implosion of indirectly driven inertial confinement fusion capsules on the Nova laser. Through the use of high-Z dopants (Ar and Xe) in the fuel, measurements of the peak temperature, from emission line ratios, and density, from line broadening, are obtained. These measurements indicate peak electron temperatures of approximately 1-1.6 keV and electron and deuteron densities in the range of 1.0-2.0 x 10(24) cm-3, depending on the type of laser drive used. The higher densities are achieved on targets that are driven with a shaped laser drive that allows a more isentropic compression of the fuel. The spectra of high-Z pusher dopants have also been studied. These dopants can provide information on pusher conditions and can be used to study hydrodynamic mix at the pusher fuel interface.
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页码:113 / 124
页数:12
相关论文
共 30 条
  • [1] DIRECT SOLUTION OF THE EQUATION OF TRANSFER USING FREQUENCY-AVERAGED AND ANGLE-AVERAGED PHOTON ESCAPE PROBABILITIES, WITH APPLICATION TO A MULTISTAGE, MULTILEVEL ALUMINUM PLASMA
    APRUZESE, JP
    DAVIS, J
    DUSTON, D
    WHITNEY, KG
    [J]. JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 1980, 23 (05) : 479 - 487
  • [3] INFLUENCE OF LYMAN-SERIES FINE-STRUCTURE OPACITY ON THE K-SHELL SPECTRUM AND LEVEL POPULATIONS OF LOW-TO-MEDIUM-Z PLASMAS
    APRUZESE, JP
    DAVIS, J
    DUSTON, D
    CLARK, RW
    [J]. PHYSICAL REVIEW A, 1984, 29 (01): : 246 - 253
  • [4] BAUCHE J, 1987, ADV ATOM MOL PHYS, V23, P131
  • [5] TIME-RESOLVED L-SHELL ABSORPTION-SPECTROSCOPY - A DIRECT MEASUREMENT OF DENSITY AND TEMPERATURE IN A GERMANIUM LASER-PRODUCED PLASMA
    BRUNEAU, J
    CHENAISPOPOVICS, C
    DESENNE, D
    GAUTHIER, JC
    GEINDRE, JP
    KLAPISCH, M
    LEBRETON, JP
    LOUISJACQUET, M
    NACCACHE, D
    PERRINE, JP
    [J]. PHYSICAL REVIEW LETTERS, 1990, 65 (12) : 1435 - 1438
  • [6] MODEL FOR THE LINE-SHAPES OF COMPLEX-IONS IN HOT AND DENSE-PLASMAS
    CALISTI, A
    KHELFAOUI, F
    STAMM, R
    TALIN, B
    LEE, RW
    [J]. PHYSICAL REVIEW A, 1990, 42 (09): : 5433 - 5440
  • [7] FAST NUMERICAL-METHODS FOR LINE-SHAPE STUDIES IN HOT AND DENSE-PLASMAS
    CALISTI, A
    GODBERT, L
    STAMM, R
    TALIN, B
    [J]. JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 1994, 51 (1-2) : 59 - 64
  • [8] RECENT RESULTS FROM THE NOVA PROGRAM AT LLNL
    CAMPBELL, EM
    [J]. LASER AND PARTICLE BEAMS, 1991, 9 (02) : 209 - 231
  • [9] COOK R, 1991, ICF Q REPORT, V1, P47
  • [10] COOK R, 1992, ICF Q REPORT, V2, P7