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
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Recent Examples of beam splitter from the Web
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Remove the second beam splitter and interference becomes impossible.
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Instead, the first beam splitter sends the photon down one path or the other, like a particle.
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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See words that rhyme with beam splitter Britannica.com: Encyclopedia article about beam splitter
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