Increasing the power of ultra-high-intensity lasers requires crystal amplifiers and metre-scale optical compression gratings that are ever more difficult to build. Simulations suggest that Raman amplification in a plasma could permit the generation of laser intensities many orders of magnitude higher than currently possible.
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Suckewer, S. Beyond a petawatt. Nature Phys 7, 11–12 (2011). https://doi.org/10.1038/nphys1897
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DOI: https://doi.org/10.1038/nphys1897
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