Publication date: 8th June 2021
Nanophotonic structures driven with ultrashort laser pulses are ideally suited to control electrons on ultrafast time scales. We will give an overview over on our quest to build a particle accelerator on a chip. Next to acceleration elements, this entails beam steering and beam confinement, all with optical nearfield forces. We will demonstrate attosecond pulse train generation as well as alternating phase focusing, representing complex electron phase space control mandatory for any particle accelerator. Furthermore, we will show free space control of an electron beam based on two-photon—electron interactions, rendering the otherwise required nearfield structures obsolete. Next to large achievable gradients, we will also show attosecond pulse train generation.
ERC Advanced Grant AccelOnChip, Gordon and Betty Moore Foundation Accelerator on a Chip International Program, BMBF
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