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beamsplitter

Variant of beam splitter

noun

an optical device with a special mirror or prism system that separates a beam of light into component beams, used in making holograms, separating colors in a color TV camera, etc.
occasionally written beamsplitter

noun

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.

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