Transverse Electron Beam Shaping with Light
arXiv:2203.07925 · doi:10.1103/PhysRevX.12.031043
Abstract
Interfacing electrons and light enables ultrafast electron microscopy, quantum control of electrons, as well as new optical elements for high sensitivity imaging. Here we demonstrate for the first time programmable transverse electron beam shaping in free space based on ponderomotive potentials from short intense laser pulses. We can realize both convex and concave electron lenses with a focal length of a few millimeters, comparable to those in state-of-the-art electron microscopes. We further show that we can realize almost arbitrary deflection patterns by shaping the ponderomotive potentials using a spatial light modulator. Our modulator is lossless, programmable, has unity fill factor, and could pave the way to electron wavefront shaping with hundreds of individually addressable pixels.
13 pages, 9 figures
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- Quantum effects in the interaction of low-energy electrons with light
- Design for light-based spherical aberration correction of ultrafast electron microscopes
- Light-based Chromatic Aberration Correction of Ultrafast Electron Microscopes
- Quantum Nanophotonics with Energetic Particles:X-rays and Free Electrons
- Tailoring Near-Field-Mediated Photon Electron Interactions with Light Polarization
- Free-Space Optical Modulation of Free Electrons in the Continuous-Wave Regime
- Monochromatization of Electron Beams with Spatially and Temporally Modulated Optical Fields
- Electron vortex beams for chirality probing at the nanoscale
- Scattering of ultrashort electron wave packets: optical theorem, differential phase contrast and angular asymmetries
- Electromagnetic lensing using the Aharonov-Bohm effect
- Rydberg-atom manipulation through strong interaction with free electrons
- Analysis of electron spectra dynamics in a moving periodical ponderomotive potential
- Coherent regime of Kapitza-Dirac effect with electrons