Overview
Lasers are fascinating devices that produce light through a process called stimulated emission. They are characterized by their coherence, monochromaticity, and ability to focus light into a narrow beam. Understanding the principles behind lasers is essential for their application in various fields,...
Key Terms
Example: In lasers, stimulated emission amplifies light.
Example: Laser light is coherent, allowing for focused beams.
Example: Lasers emit monochromatic light, unlike white light.
Example: The optical cavity is essential for laser operation.
Example: Population inversion is necessary for laser action.
Example: Helium-neon lasers are common gas lasers.