• Matter and Radiation at Extremes
  • Vol. 4, Issue 5, 055401 (2019)
Hong Sio1、a), Chikang Li1, Cody E. Parker1, Brandon Lahmann1, Ari Le2, Stefano Atzeni3, and Richard D. Petrasso1
Author Affiliations
  • 1Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
  • 2Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
  • 3Dipartimento SBAI, Università degli Studi di Roma “La Sapienza,” Via Antonio Scarpa 14, 00161, Roma, Italy
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    DOI: 10.1063/1.5090783 Cite this Article
    Hong Sio, Chikang Li, Cody E. Parker, Brandon Lahmann, Ari Le, Stefano Atzeni, Richard D. Petrasso. Fuel-ion diffusion in shock-driven inertial confinement fusion implosions[J]. Matter and Radiation at Extremes, 2019, 4(5): 055401 Copy Citation Text show less
    D3He (red) and DT (black) reaction histories measured on the PXTD in D3He-gas-filled (with trace T) implosions.
    Fig. 1. D3He (red) and DT (black) reaction histories measured on the PXTD in D3He-gas-filled (with trace T) implosions.
    Density profiles from an LSP simulation of a D3He-gas-filled (with trace T) implosion at t = 0.63 ns and t = 0.73 ns, during shock convergence and shock rebound, respectively. The ion density profiles for D, T, and 3He are in blue, gold, and red, respectively.
    Fig. 2. Density profiles from an LSP simulation of a D3He-gas-filled (with trace T) implosion at t = 0.63 ns and t = 0.73 ns, during shock convergence and shock rebound, respectively. The ion density profiles for D, T, and 3He are in blue, gold, and red, respectively.
    (a) DUED-simulated and (b) LSP-simulated D3He (red) and DT (black) reaction histories for a D3He (with trace T) shock-driven implosion.
    Fig. 3. (a) DUED-simulated and (b) LSP-simulated D3He (red) and DT (black) reaction histories for a D3He (with trace T) shock-driven implosion.
    D3He-gas-filled (with trace T) implosions
    ShotOuter diameter (μm)SiO2 thickness (μm)ρ (mg/cm3)Fraction DFraction 3HeFraction TBang time (ps)DT-n yieldD3He-p yieldDT Ti (keV)DT/D3He (observed)DT/D3He (expected)
    82 6148892.72.00.500.490.0078412.0 × 10115.0 × 101011.64.05.0
    82 6158552.72.00.500.500.0078311.9 × 10115.0 × 101010.53.86.2
    Table 1. Summary of primary experimental observables. The uncertainty in the absolute bang time is ±50 ps. The uncertainties in the TT-n, T3He-d, DT-n, and D3He-p yields are ±10%, ±20%, ±5%, and ±20%, respectively. The uncertainty in the DT Ti is ±0.5 keV.
    Hong Sio, Chikang Li, Cody E. Parker, Brandon Lahmann, Ari Le, Stefano Atzeni, Richard D. Petrasso. Fuel-ion diffusion in shock-driven inertial confinement fusion implosions[J]. Matter and Radiation at Extremes, 2019, 4(5): 055401
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