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excimer laser definition

ex·ci·mer laser (ek′sə mər)

a type of gas laser that emits powerful pulses of ultraviolet radiation used in weapons, industrial, or medical research: this radiation is emitted as the short-lived excimers, dimeric molecules that can only exist when a component is energized into an excited state, return to their ground states

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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