What are common uses of Xenon?

Xenon produces a beautiful blue glow when excited by an electrical discharge. Xenon lamps have applications as high-speed electronic flash bulbs used by photographers, sunbed lamps and bactericidal lamps used in food preparation and processing. Xenon lamps are also used in ruby lasers. Xenon difluoride is used to etch silicon microprocessors. Xenon ion propulsion systems are used by satellites.