Progress toward ignition with noncryogenic double-shell capsules

Inertial confinement fusion implosions using capsules with two concentric s hells separated by a low density region (double shells) are reported which closely follow one dimensional (1D) radiatively driven hydrodynamics simula tions. Capsule designs which mitigate An M-band radiation asymmetries appea r to correspond more closely to 1D simulations than targets lacking mitigat ion of hohlraum drive M-band nonuniformities. One capsule design achieves o ver 50% of the unperturbed 1D calculated yield at a convergence ratio of 25 .5, comparable to that of a double-shell design for an ignition capsule at the National Ignition Facility.