Xenon, the 56th element on the periodic table, is a colorless, odorless and very heavy noble gas. Besides being used in normally anesthetics and nuclear reactors, xenon is famous as a light emitting gas.
Xenon Arc Lamps:
Non-incandescent lamps have no filament and are based on electronic discharge in a gas. Most non-incandescent light sources used for microscopy are mercury and xenon arc lamps. They consist of two electrodes sealed under high pressure in a quartz glass bulb.
