Abstract

This Letter presents simulation results of compression, ignition and burn of an umtamped (laser-type) inertial confinement fusion target which may be used in a reactor system driven by 33 MeV Li + ions. These simulations have been carried out using a one-dimensional, three-temperature (electron, ion and radiation), Lagrangian ion-beam fusion code MEDUSA-KAT. The importance of thermal radiation in the simulations of such reactor-size targets has been thoroughly discussed. This target is imploded by an appropriately shaped input power pulse with a peak power 250 TW and an input energy of 4.6 MJ. The target yields an output energy of 580 MJ so that the overall energy gain is about 126.

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