bn:00418143n
Noun Concept
Categories: Laser science
EN
tophat beam  Top-hat beam  Top hat beam
EN
In optics, a tophat beam such as a laser beam or electron beam has a near-uniform fluence within a circular disk. Wikipedia
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EN
In optics, a tophat beam such as a laser beam or electron beam has a near-uniform fluence within a circular disk. Wikipedia
A kind of laser beam Wikipedia Disambiguation
A beam with near uniform energy density in a circular area. Wikidata
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