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Ultrashort Ne+ ion pulses for use in pump–probe experiments: numerical simulations

Ultrashort Ne+ ion pulses for use in pump–probe experiments: numerical simulations
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Deutsche Forschungsgemeinschaft , Collaborative Research Center , German Research Foundation , Charged Particle Optic , General Particle Tracer , Exploring Particle Induced Excitations , Time Domain ,

Coherent nanophotonic electron accelerator

Particle accelerators are essential tools in a variety of areas of industry, science and medicine1–4. Typically, the footprint of these machines starts at a few square metres for medical applications and reaches the size of large research centres. Acceleration of electrons with the help of laser light inside of a photonic nanostructure represents a microscopic alternative with potentially orders-of-magnitude decrease in cost and size5–16. Despite large efforts in research on dielectric laser acceleration17,18, including complex electron phase space control with optical forces19–21, noteworthy energy gains have not been shown so far. Here we demonstrate a scalable nanophotonic electron accelerator that coherently combines particle acceleration and transverse beam confinement, and accelerates and guides electrons over a considerable distance of 500 μm in a just 225-nm-wide channel. We observe a maximum coherent energy gain of 12.3 keV, equalling a subst ....

Ansys Lumerical , Students International Atomic Energy Agency , Radiation Oncology Physics , International Atomic Energy Agency , Accelerator Physics , World Scientific , General Particle Tracer , European Particle Accelerator Conference , Dark Matter Experiment , Joel England ,