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Simulations

Close to current Titan parameters. Here’s the big picture…. Simulations. BURIED CONE DETAIL. (1) TARGETS Flats and buried cones Exponential preplasma. z. electron diagnostic “target planes” every 25 m m. electron density in 1/cm 3. x. (2) GRID 2D Cartesian.

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Simulations

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  1. Close to current Titan parameters.Here’s the big picture… Simulations BURIED CONE DETAIL (1) TARGETS Flats and buried cones Exponential preplasma z electron diagnostic “target planes” every 25 mm electron densityin 1/cm3 x (2) GRID 2D Cartesian Buried Conetip diameter was 10 mm. (We have results for 5 and 20 mm as well.) • (3) LASER • = 1 mm 4 x 1019 W/cm2 • wo = 5μm • sine2 envelope w/ • τ = 55 fs or 500 fs • propagates along +x • z-polarized 800μm 10L 300μm 30 mm of vacuum front and back. preplasma L = 5μm solid-density Cu+ ions (4) RUN DURATION ~5 ps

  2. Slab target: Integrated signal (4.5 ps) Electrons ≥ 8keV Kα Kα spot size is larger due to wings in the background. Electrons ≥ 8keV Kα Background present, but it’s flat and doesn’t change the apparent spot size.

  3. Divergence: “Prompt” electrons ≥ 1MeV Significant refluxing from the sides at these depths. Prompt Buried Cone Electrons - 70° Prompt Slab Electrons - 72°

  4. Divergence: Integrated signal (4.5ps) Significant refluxing from the sides at these depths. Buried Cone Electrons - 78° Slab Electrons - 70° Buried Cone Kα - 87° Slab Kα - 105°

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