Sodium Vapor Lamp
Definition - What does Sodium Vapor Lamp mean?
A Sodium Vapor Lamp, also known as a gas discharge lamp, is a lamp that makes use of sodium to produce light. These types of lamps come in two varieties, i.e., low pressure sodium lamps and high pressure sodium lamps. They are widely used on the streets for lighting purposes. Sodium vapor lamps were first produced commercially in 1932 in Holland by Philips.
Petropedia explains Sodium Vapor Lamp
The working of these types of lamps is mainly done by creating an electric arc through vaporized sodium metal. Gases and the other materials are only used to start the lamp and control the color of the light.
Low-pressure sodium lamps are considered to be the most efficient sodium lamps and are thus used for the applications or places where illumination is needed for long periods of time such as on streets, factories, lights on boundaries, etc. These types of lamps produce monochromatic yellow light.
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