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[[fa:رده:لیزر]]
[[fa:رده:لیزر]]
[[fr:Catégorie:Laser]]
[[fr:Catégorie:Laser]]
[[he:קטגוריה:לייזרים]]
[[ko:분류:레이저]]
[[ko:분류:레이저]]
[[hr:Kategorija:Laseri]]
[[hr:Kategorija:Laseri]]

Revision as of 12:56, 5 September 2009

A laser (from the acronym of Light Amplification by Stimulated Emission of Radiation) is an optical source that emits photons in a coherent beam. The back-formed verb to lase means "to produce laser light" or possibly "to apply laser light to".