laser pump

Science Dictionary
laser pump  
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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