Concept information
Preferred term
LASERS
Definition
- LASERS (Light Amplification by Stimulated Emission of Radiation): Any of several devices that emit highly amplified and coherent radiation of one or more discrete frequencies. One of the most common lasers makes use of atoms in a metastable energy state that, as they decay to a lower energy level, stimulate others to decay, resulting in a cascade of emitted radiation. [Source: The American Heritage® Dictionary of the English Language, Fourth Edition] (en)
Broader concept
- Lidar/Laser Sounders (en)
URI
https://gcmd.earthdata.nasa.gov/kms/concept/4d9f3a1b-9601-4b32-9a35-ae26981b1ee9
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