The image on the top of this article is a hohlraum, used in laser fusion. The article is scant on details, but does mention that a powerful laser is involved.

The image on the top of this article is a hohlraum, used in laser fusion. The article is scant on details, but does mention that a powerful laser is involved. https://en.m.wikipedia.org/wiki/Hohlraum https://en.m.wikipedia.org/wiki/Hohlraum