Difference between revisions of "Converged Beam"
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Latest revision as of 00:26, 3 February 2024
2-2-215
A form of fan beam (2-1-090) in which the angle of divergence is decreased by diverting a part of the light laterally to increase the intensity in a desired direction.
Note: The Directional Drum Lens is used in the United States and is an example of an optic which produces a converged beam.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
