The radiation source (e.g., laser) is pointed at the interior of the hohlraum, which absorbs and re-radiates the energy as X-rays, rather than on the capsule itself, a process known as indirect drive.
The radiation source (e.g., laser) is pointed at the interior of the hohlraum rather than at the capsule itself. The hohlraum absorbs and re-radiates the energy as X-rays, a process known as indirect drive.