What is an Arc Lamp ?

What is an Arc Lamp ?

Arc Lamp Definition

An arc lamp is an electric lamp that creates light by forming an arc between two electrodes.

Construction

Arc lamps have two electrodes in a glass tube filled with an inert gas.

Working Principle

They work by ionizing the gas, creating an arc that emits light.

Types and Colors

Different gases produce different light colors; for example, xenon gives white light, neon gives red, and mercury gives bluish light.

Applications

• Outdoor lighting

• Flashlights in cameras

• Floodlights

• Searchlights

• Microscope lighting (and other research applications)

• Therapeutics

• Blueprinting

• Projectors (including cinema projectors)

• Endoscopy