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...Course outline laser fundamentals theory and operation components types of lasers hazards how they are classifed control measures warning signs labels protective equipment safety at ole miss defnitions is the acronym for light amplifcation by stimulated emission radiation a process device monochromatic unlike ordinary which made spectrum many wavelengths because all same wavelength waves said to be synchronous intense directional focused so that it does not spread out from point origin asynchronous multi works consists an optical cavity pumping system appropriate lasing medium contains media excited with mirrors redirect produced photons back along general path uses another source as xenon gas flash tube transfer energy electrical discharge within pure or mixture collision relies upon binding released in chemical reactions raise metastable state can solid dye liquid semiconductor commonly designated type material employed have distributed matrix e g ruby neodymium yag yttrium aluminum ...