There are several important factors that would help in deciding the best type and size of lamp for any application. These factors include spectral distribution, radiance, total output, source size and ...

A halogen lamp is an incandescent light source. It consists of a tungsten filament, enclosed in an environment of an inert gas and a small amount of a halogen (bromine or iodine). The combination of ...

Each of the three basic types of light sources — incandescent, fluorescent, and HID — has its own particular applications and advantages. The proper selection of a lamp type will ultimately depend on ...

Abstract: The 1992 Energy Policy Act (EPACT) brought significant changes to the U.S. electric-lighting industry. One such change required replacing many ordinary incandescent lamps with more ...