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laser pump

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A device used to excite atoms for stimulated emission in the production or amplification of laser signals. Optical resonators of lasers use laser pumps to induce stimulated emission; relay stations in fiber optic communications use laser pumps to boost signals. See more at laser.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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