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German group proves discovery by Catalan scientist on amplification of high-intensity x-ray lasers

The results Carles Serrat published some months ago have now been confirmed by a German team

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A study conducted by a group of German scientists proves the theoretical prediction made by researcher Carles Serrat of the Polytechnic University of Catalonia · BarcelonaTech (UPC) regarding the amplification of high-intensity x-ray lasers.

Some months ago, Carles Serrat of the Nonlinear Dynamics, Nonlinear Optics and Lasers (DONLL) group on the UPC Terrassa Campus discovered how to amplify the intensity of x-ray laser light through high harmonic generation (HHG). The scientific community had been searching for a solution to this puzzle for more than 20 years.

Now, a group at the Helmholtz Institute Jena (Germany), led by professor Spielmann, has published a study in the journal Nature confirming Serrat’s research. This validation is a huge step towards getting high-energy x-ray pulses from compact lasers. This breakthrough could make it possible for any laboratory, hospital or research center to amplify x-ray laser light without depending on a synchrotron or a particle accelerator, which are large facilities not everyone has access to.

More information is available in the UPC press release.

Carles Serrat on the Terrassa Campus of the Polytechnic University of Catalonia · BarcelonaTech (UPC). - Photo: © UPC

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