At its peak, a NIF inertial confinement fusion (ICF) implosion lasts about 100 trillionths of a second. The imploded fuel is a hundred millionths of a meter in diameter and as much as eight times denser than lead. The center of the imploded capsule is a few times hotter than the core of the sun.
Click here for original story, Nuclear diagnostics help pave way to ignition on NIF inertial confinement fusion
Source: Phys.org