Dear Evelyn,

Sulfur belongs to the chalcogen family. Other members of the family are oxygen, selenium, tellurium, and polonium.  The periodic table is a chart that shows how chemical elements are related to each other. sulfur sometimes occurs in bright yellow layers on the top of the earth. It has a sharp, offensive odor. The sulfur lamp (also sulphur lamp) is a highly efficient full-spectrum electrodeless lighting system whose light is generated by sulfur  plasma that has been excited  by microwave radiation. They are a particular type of plasma lamp, The sulfur lamp consists of a golf ball-sized (30 mm) fused-quartz bulb containing several milligrams of sulfur powder and argon gas at the end of a thin glass spindle. The bulb is enclosed in a microwave-resonant wire-mesh  cage. A magnetron  much like the ones in home microwave ovens, bombards the bulb, via a waveguide , with 2.45  GHzmicrowaves. The microwave energy excites the gas to five atmospheres pressure, which in turn heats the sulfur to an extreme degree forming a brightly glowing plasma capable of illuminating a large area. Because the bulb heats considerably, it is necessary to provide forced air cooling to prevent it from melting. The bulb is usually placed at the focus of a parabolic reflector  to direct all the light in one direction.

Regards,

Prem Baboo

thank u sir