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Lasers/ Atoms

  1. Mar 18, 2005 #1
    How do lasers make use of the quantum theory of the atom.

    I tried to look it up but I couldn't understand what they were saying. :confused:
  2. jcsd
  3. Mar 18, 2005 #2


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    What exactly did "they" say and where did you not understand?

    Should have asked this in the QM Physics section - you would have gotten more responses.

  4. Mar 18, 2005 #3


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    Lasers work by having electrons in the atoms jump up and down energy levels. Does that count as quantum?
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