Stagnation conditions achieved in DT implosions on the NIF

Recent cryogenic deuterium-tritium (DT) spherical implosion experiments on the National Ignition Facility (NIF) have exceed 50 kJ in fusion yield—several times that of the energy delivered to the fuel through compressive work of the implosion. More than 10 kJ of alpha-particle energy is created, of which most is deposited within the hot-spot, producing significant self-heating and an amplification of ~3x in the fusion yield. This talk will summarize the performance of the campaigns in terms of stagnation conditions achieved and examine the scaling of the key parameters including pressure, temperature, areal density, and the Lawson parameter, which determine the proximity to ignition.