Converged Beam

From International Dictionary of Marine Aids to Navigation
Revision as of 12:00, 15 February 2009 by Oferiks (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

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.

Ch2 Fig18.jpg


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)

Languages

English

[[Category:2.2 Optical Apparatus]

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM

Retrieved from "http://www.iala.int/wiki/dictionary/index.php?title=Converged_Beam&oldid=1725"