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bn:03138538n
Noun Concept
Categories: Optical quantities, Antennas (radio)
EN
beam divergence  beam spread  Laser beam divergence
EN
In electromagnetics, especially in optics, beam divergence is an angular measure of the increase in beam diameter or radius with distance from the optical aperture or antenna aperture from which the beam emerges. Wikipedia
Definitions
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Sources
EN
In electromagnetics, especially in optics, beam divergence is an angular measure of the increase in beam diameter or radius with distance from the optical aperture or antenna aperture from which the beam emerges. Wikipedia
The half-angle of the cone formed by a beam of light as it propagates and spreads out Wikipedia Disambiguation
How much a beam expands as it travels Wikidata
IS A
increase
Wikipedia
EN
beam divergence
Wikidata
EN
Beam divergence
Wikipedia Redirections
EN
beam spread, Laser beam divergence

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