The neodymium-YAG laser emits infrared light at 1.064 micrometers. Solid state lasers have lasing material distributed in a solid matrix, e.g., the ruby or neodymium-YAG (yttrium aluminum garnet) lasers.Lasers are commonly designated by the type of lasing material employed. The laser medium can be a solid (state), gas, dye (in liquid), or semiconductor. The pumping system uses photons from another source as a xenon gas flash tube (optical pumping) to transfer energy to the media, electrical discharge within the pure gas or gas mixture media (collision pumping), or relies upon the binding energy released in chemical reactions to raise the media to the metastable or lasing state. The optical cavity contains the media to be excited with mirrors to redirect the produced photons back along the same general path. Industrial Robots and Robot System SafetyĮxcavations: Hazard Recognition in Trenching and ShoringĬontrolling Lead Exposures in the Construction Industry: Engineering and Work Practice Controls Oil Well Derrick Stability: Guywire Anchor Systems Legionnaire's Disease, see OSHA's Safety and Health Topics Page for updated information.Ĭontrolling Exposure to Hazardous Drugs, see OSHA's Safety and Health Topics Page for updated information. Polymer Matrix Materials: Advanced Composites Technical Equipment: On-site Measurements
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