A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The word "laser" is an acronym for "light amplification by stimulated emission of radiation".
What does the word laser stand for?
The word laser is an acronym for the expression "light amplification by stimulated emission of radiation." In other words, a laser is a device capable of converting light or electrical energy into a focused, high energy beam.
What are the 3 types of lasers?
Types of lasers
- Solid-state laser.
- Gas laser.
- Liquid laser.
- Semiconductor laser.
