Journal
PHYSICAL REVIEW LETTERS
Volume 126, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.126.123901
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Funding
- European Research Council [789104eNANO]
- European Commission [FET-Proactive 101017720-EBEAM, FET-Open 964591-SMART-electron]
- Spanish MINECO [MAT2017-88492-R, SEV2015-0522]
- Catalan CERCA Program
- Fundacio Privada Cellex
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By exploiting free-space interactions between electron beams and tailored light fields, on-demand phase profiles can be imprinted on electron wave functions, enabling controllable optical manipulation of electron beams.
We exploit free-space interactions between electron beams and tailored light fields to imprint on-demand phase profiles on the electron wave functions. Through rigorous semiclassical theory involving a quantum description of the electrons, we show that monochromatic optical fields focused in vacuum can be used to correct electron beam aberrations and produce selected focal shapes. Stimulated elastic Compton scattering is exploited to imprint the required electron phase, which is proportional to the integral of the optical field intensity along the electron path and depends on the transverse beam position. The required light intensities are attainable in currently available ultrafast electron microscope setups, thus opening the field of free-space optical manipulation of electron beams.
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