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Keywords: active mediumClose
Publisher: American Society of Safety Professionals
Paper presented at the ASSE Professional Development Conference, June 24–27, 2007
Paper Number: ASSE-07-1445
... 400-to-700nm wavelengths. Conditions necessary for stimulated emission of radiation to occur require that energy first be imparted to a suitable collection of atoms, ions or molecules known as an active medium. In typical gas laser systems for example this energy transfer usually results from direct...
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