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semiconductor laser

noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for semiconductor laser
  • Such a semiconductor laser can produce high power across a wide frequency.
  • Light from a semiconductor laser is transmitted through the atomic vapor.
  • One particular example is the semiconductor laser diode, a workhorse of the industry.
semiconductor laser in Science
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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