Optimization of target compression for high-gain fast ignition via machine learning

Energy Gain of Magnetized Cylindrical D-T Targets in Fast Ignition Fusion

In recent years, many different plans have been considered to use the nuclear energy gained from inertial confinement fusion (ICF) as attempts to obtain high energy efficiencies. In conventional ICF methods, a small amount (about mg) of the deuterium–tritium compound is confined in a small spherical chamber of a few millimeters in radius and compressed by laser or heavy ion beams with powers in...

Energy Gain of Magnetized Cylindrical D-T Targets in Fast Ignition Fusion

In recent years, many different plans have been considered to use the nuclear energy gained from inertial confinement fusion (ICF) as attempts to obtain high energy efficiencies. In conventional ICF methods, a small amount (about mg) of the deuterium–tritium compound is confined in a small spherical chamber of a few millimeters in radius and compressed by laser or heavy ion beams with powers in...

High-Gain Direct-Drive Target Designs for the National Ignition Facility

LLE Review, Volume 88 183 Introduction Direct drive1 offers the potential of higher target gain for the National Ignition Facility (NIF)2 than indirect drive.3 Directdrive targets have been designed that reach a gain of 45 in onedimensional (1-D) simulations using primarily a pure cryogenic DT shell driven on an isentrope where the pressure is three times the Fermi-degenerate pressure (α = 3). ...

Optimization for Machine Learning

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Optimization for Machine Learning