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picture1_Ppt On Laser 70887 | Laser Safety Training   December 2017


 147x       Filetype PPTX       File size 1.76 MB       Source: www.uncp.edu


File: Ppt On Laser 70887 | Laser Safety Training December 2017
introduction the term laser is an acronym for light amplification by stimulated emission of radiation the laser is a device that emits a collimated pencil like beam of either visible ...

icon picture PPTX Filetype Power Point PPTX | Posted on 30 Aug 2022 | 3 years ago
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...Introduction the term laser is an acronym for light amplification by stimulated emission of radiation a device that emits collimated pencil like beam either visible or invisible electromagnetic components all lasers are comprised these essential elements active medium excitation high reflectance mirror and partially transmissive output coupler can be any substance when gives off energy made from gaseous liquid crystalline solid substances often named specific element such as helium neon ruby which mechanism in causes electrons to jump higher levels drop back lower level difference between two released form emitted passing through stimulates this way amplify it takes more than produce system could but would directions behave ordinary monochromatic order feedback needed direct consists mirrors placed at opposite ends reflect forth on each pass intensity amplified one reflects essentially percent hitting while other called only part transmitting remainder some sometimes blocked inside spe...

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