Experimental setup with an electron gun (top left) and electron detector (bottom) for confinement and guiding of a low energy electron beam. Microwave-guided electrons follow the orange curve from source to detector; trajectories of unguided electrons are indicated in blue. Selected for an Editors' Suggestion and a Viewpoint in Physics.
From the article:
Microwave Guiding of Electrons on a ChipJ. Hoffrogge, R. Fröhlich, M. A. Kasevich, and P. Hommelhoff
Phys. Rev. Lett. 106, 193001 (2011)
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