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Electron microscopy

Ultrafast plasmonics shapes electron beams

By exploiting optical phase-modulation at complex surface plasmon polariton patterns, as well as energy-filtered imaging, femtosecond electron pulses are dynamically shaped in phase and amplitude.

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Fig. 1: Tunable photon-induced spatial modulation of free electrons.

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Correspondence to Armin Feist.

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Feist, A. Ultrafast plasmonics shapes electron beams. Nat. Mater. 22, 280–281 (2023). https://doi.org/10.1038/s41563-023-01490-8

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