LFEx: The World's Most Powerful Laser

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Researchers at the Osaka University in Japan produced LFEx, which stands for "laser for fast ignition experiments." This is the world's most powerful laser ever made, able to produce a 2,000-trillion watt laser beam. It fires in very short bursts, lasting about one trillionth of a second. This laser can vaporize matter and generate plasma.


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Key Facts In This Video

  1. LFEx fires a 2-petawatt laser beam. 00:22

  2. A laser beam from LFEx lasts one trillionth of a second. 01:08

  3. Researchers at the University of Osaka are already planning to make a 5-petawatt laser. 02:37