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Ultrafast science

Filamentous laser beams point to new type of phase transition

26 Feb 2015
Bright lights Photograph of a small-diameter laser beam that has formed several bright filaments that are connected by regions of lower intensity light. The image was taken at the Teramobile facility at the University of Geneva. Light at wavelengths below 780 nm have removed by a photographic filter on the camera's objective. (Courtesy: Denis Mongin/University of Geneva)
Filaments of plasma created by a high-powered laser beam undergo a similar type of phase transition

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