Generating intense bursts of high-energy radiation usually requires the construction of large and expensive facilities, such as free-electron lasers, which are based on conventional particle accelerators. Laser-driven accelerators offer a cheaper and smaller alternative, and they are now capable of generating intense bursts of gamma-rays.
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Shvets, G. Gamma-rays going cheap. Nature Phys 7, 834–835 (2011). https://doi.org/10.1038/nphys2110
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DOI: https://doi.org/10.1038/nphys2110
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