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The most powerful laser in the US recently produced 2 quadrillion watts of power
(news.engin.umich.edu)
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this post was submitted on 20 May 2025
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That's 25 attoseconds, no?... If so, that's impressive.
The power record holder right now is the Măgurele laser in Romania, at 10 PW, but it lasts a thousand times longer, at 25 femtoseconds I believe. I can't find clear info on pulse duration anywhere. They do intend to decrease pulse durations it seems.