EPJ Web of Conferences
Volume 59, 2013IFSA 2011 – Seventh International Conference on Inertial Fusion Sciences and Applications
|Number of page(s)||5|
|Section||PHYSICS OF INERTIAL FUSION – II. Conventional Target Physics (Direct and Indirect)|
|Published online||15 November 2013|
Reproducibility of hohlraum-driven implosion symmetry on the National Ignition Facility
1 Los Alamos National Laboratory, Los Alamos, NM 87545, USA
2 Lawrence Livermore National Laboratory, Livermore, CA 94551, USA
3 General Atomics, San Diego, CA 92121, USA
Published online: 15 November 2013
Indirectly driven Symcap capsules are used at the NIF to obtain information about ignition capsule implosion performance, in particular shape. Symcaps replace the cryogenic fuel layer with an equivalent ablator mass and can be similarly diagnosed. Symcaps are good symmetry surrogates to an ignition capsule after the peak of the drive, radiation-hydrodynamics simulations predict that doping of the symcaps vary the behavior of the implosion. We compare the equatorial shapes of a symcap doped with Si or Ge, as well as examine the reproducibility of the shape measurement using two symcaps with the same hohlraum and laser conditions.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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