To prevent oxidization of the aluminum melt a noble gas is purged inside the probe and a pressure control system was designed to control the surface of the molten material around the focal point of the lens.
Þrýstistýring var hönnuð til að stjórna gasþrýstingnum inni í próbunni til þess að yfirborð bráðarinnar haldist í brennipunkti geislans.