LAMPS AND SOCKETS
In this chapter we look closely at the many different types of radiating sources that are available, examining their potential and learning what techniques are necessary to work with each of them successfully.
Types of Radiating Sources
Carbon Arc
The oldest type of radiating source is the open arc. All carbon-arc sources consist of a positive and a negative electrode. Current flows from the negative to the positive electrode. The high-current flow across the tip of the negative carbon gasifies the carbon/cerium metal electrode and creates a small flame, which is an extremely hot plasma produced by the arc. The output is intense ...
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