Launching electrons to the centre of an optical field with a vortex phase profile via extreme-ultraviolet photoionization makes coherent imprinting of the spatial distribution of the vortex beam onto the electron wave packet possible.
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Smirnova, O. Nasca patterning in the microworld. Nat. Photonics 14, 527–528 (2020). https://doi.org/10.1038/s41566-020-0687-9
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DOI: https://doi.org/10.1038/s41566-020-0687-9
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