Difference between revisions of "Collimator"
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Latest revision as of 06:54, 24 July 2013
Description
An optical device used to transmit parallel rays of light. A collimator commonly consists of a converging lens at one end of a long tube. The light enters through a pin hole at the other end of the tube then diverges until reaching the converging lens where it is reoriented in a parallel path. Collimators are used in telescopes and spectrometers.
Synonyms and Related Terms
Kollimator (Deut.); collimateur (Fr.);