Here are the possible solutions for light amplification by stimulated emission of radiation clue
Answer
Clue
Relevancy
laser
Clue
Light amplification by stimulated emission of radiation
Light-amplification device
Light amplification of a kind
Device for stimulating emission of radiation
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium