Abstract
The European High Power laser Energy Research (HiPER) project aims at demonstrating the feasibility of high gain inertial confinement fusion (ICF) using the fast ignitor approach. A baseline target has been recently developed by Atzeni et al. [Phys. Plasmas 14, 052702 (2007)]. The comparison between a standard and a relaxation pulse shows that the latter one allows to reduce both the laser power contrast and the growth of perturbation under Rayleigh-Taylor instability. We have found that with 95 kJ of absorbed laser energy one can assemble the fuel with to a peak density around 500 g/cm3 and to a peak areal density of 1.2 g/cm2. This implies a total target gain of about 55.
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