Discussion :: Technology
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After the first photons of light are produced, which process is responsible for amplification of the light?
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Answer : Option B
Explanation :
The word "laser" is actually an acronym for light amplification by stimulated emission of radiation. Atoms or molecules of the active medium that have been excited to a higher energy level are stimulated by a passing photon to relax to a lower energy level and emit a photon that is indistinguishable from the passing photon, thereby increasing the number of photons like the incident one.
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