From HandWiki - Reading time: 1 min
Here is a list of articles in the Lasers category of the Physics portal. A laser (from the acronym of Light Amplification by Stimulated Emission of Radiation) is an optical source that emits photons in a coherent beam.
This category has the following 4 subcategories, out of 4 total.
The following 21 pages are in this category, out of 21 total.