The National Ignition Facility 350 eV Target.
Design is underway on the 350 eV hohlraum target for National Ignition Facility (NIF) applications.
To achieve this radiation temperature with NIF, where maximum power is roughly 500 TW and
maximum energy is 1.8 MJ, the capsule is composed of DT gas of radius 490 mu m, overlaid with
a solid DT layer 90 mu m thick. The beryllium (Be) ablator is 130 mu m thick, the inner 70 mu
m of which is doped with copper at the 1 ! % level. One-dimensional simulations …
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…In this smaller, hotter NIF hohlraum, both the motion of the wall
and of the ablator inhibits the power deposition of the inner beam to the hohlraum wall. Thus, to hold
back the wall and the ablator, the H-He gas fill inside the hohlraum has been increased. Symmetry
and tuning results, as well as assessments of laser-plasma interaction physics will be presented.
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**Bibliography**
WEDNESDAY MORNING, 18
NOVEMBER 1998
Session J5I1. Alternate Concepts and
Transport Theory.
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