The one of the widely used light sources for EUV lithography uses a laser to zap molten tin to get the tin plasma to ionize and emit EUV light. It's fairly exo

The one of the widely used light sources for EUV lithography uses a laser to zap molten tin to get the tin plasma to ionize and emit EUV light. It's fairly exotic and really inefficient but is needed for the smaller node sizes.