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semiconductor laser

noun

diode laser

noun
1.
a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
Also called semiconductor laser.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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semiconductor-laser in Science
diode laser  
See semiconductor laser.
semiconductor laser  
A solid-state laser constructed like a semiconductor diode. At the junction of anode and cathode, electrons and holes come together; when an electron falls into a hole, bandgap radiation is emitted, as in a light emitting diode. Semiconductor lasers are constructed so that the resulting light tends to stimulate other nearby pairs of electrons and holes to undergo the same process, emitting more light. Also called diode laser, laser diode. See more at laser.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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