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Why does the excitation of molecules not take place during the stimulted emission process?

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Wiki User
2008-02-19 08:40:32

Excitation may not take place in a laser (or the like) for a

number of reasons. The lasing medium may be defective or

contaminated and unable to lase. The stimulation may be

insufficient or incorrect. There are other technical reasons that

prevent stimulation emission from taking place, but they generally

have to do with the lasing medium or the action of the stimulator.

Our friends at Wikipedia have a some relevant articles up, and

links are provided. Knowledge there is free.


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