Modelling shows how plasma density gradients can be tailored to compress optical pulses in the final stages of laser systems towards exawatt (1018 W) peak powers.
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Dromey, B. Plasma optics promise exawatt performance. Nat. Photon. 17, 1026–1027 (2023). https://doi.org/10.1038/s41566-023-01334-6
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DOI: https://doi.org/10.1038/s41566-023-01334-6