The useful idea
- The useful idea
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
- How it works
The word laser originated as an acronym for light amplification by stimulated emission of radiation.
- Why it matters
The first laser was built in 1960 by Theodore Maiman at Hughes Research Laboratories, based on theoretical work by Charles H.
Why this matters
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Test your recall
Which idea belongs to the explanation of Laser?
- How it works
- The useful idea — correct
- Why it matters
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.