beam splitter

noun
Updated on: 17 Dec 2017

Definition of beam splitter

: a mirror or prism or a combination of the two that is used to divide a beam of radiation into two or more parts

Recent Examples of beam splitter from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'beam splitter.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of beam splitter

1935


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