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Energy level in a KrF* molecule (Wikipedia "Excimer laser") | Download Scientific Diagram
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Wikipedia on Twitter: "On this day in 1960: Arthur Leonard Schawlow and Charles Hard Townes received the first patent for a laser. https://t.co/eVQ3rBUsZL https://t.co/D54kuR0qeF" / Twitter
Laser level - Wikipedia
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Light Laser Sound Amplification By Stimulated Emission Of Radiation Wikipedia, PNG, 2000x1414px, Light, Acronym, Area, Coherence,
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Nobel-winning study of lasers: Here's all you the science you need to know- Technology News, Firstpost