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Hotspot conditions achieved in inertial confinement fusion experiments on the National Ignition Facility

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/5.0003298· OSTI ID:1642509
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  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Ecole Polytechnique, Palaiseau (France)
  4. Univ. of Rochester, NY (United States)
We describe the overall performance of the major indirect-drive inertial confinement fusion campaigns executed at the National Ignition Facility. With respect to the proximity to ignition, we can describe the performance of current experiments both in terms of no-burn ignition metrics (metrics based on the hydrodynamic performance of targets in the absence of alpha-particle heating) and in terms of the thermodynamic properties of the hotspot and dense fuel at stagnation—in particular, the hotspot pressure, temperature, and areal density. We describe a simple 1D isobaric model to derive these quantities from experimental observables and examine where current experiments lie with respect to the conditions required for ignition.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE; USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1642509
Alternate ID(s):
OSTI ID: 1630178
Report Number(s):
LLNL--JRNL-801713; 1005553
Journal Information:
Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 5 Vol. 27; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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High-Performance Indirect-Drive Cryogenic Implosions at High Adiabat on the National Ignition Facility journal September 2018
Impact of Localized Radiative Loss on Inertial Confinement Fusion Implosions journal April 2020

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