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The Laser: HOW IT WORKS
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Wikijunior:How Things Work/Laser - Wikibooks, open books for an open world
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How do lasers work? - Lasers
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File:How a Laser Works.webm - Wikimedia Commons
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How Lasers Work
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How do lasers work? | Who invented the laser?
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Lasers, explained by RP Photonics Encyclopedia; principle of operation, properties of laser light, applications, resonator, laser beam, stimulated emission
How Lasers Work
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