Used to manufacture fluorescent lights, halogen headlights and in some photograpic flashes, as well as excimer lasers.

Used to fill neon signs, in electron and fluorescent tubes, refirgeration, as a voltage regqulator, in gas lasers and research.

Used in high intensity lights due to its natural "daylight" color temperature, high-efficiency incandescent bulb, plasma display panels, operating room and examination lighting and in ultraviolet lasers.