Simulation of an annular objective aperture placed over a wave front distorted by an aberration corrector in a TEM. Manipulation of the electron phase front to form a helical structure creates an electron-vortex beam. Selected for a Synopsis in Physics and an Editors’ Suggestion.
From the article:
Exploiting Lens Aberrations to Create Electron-Vortex BeamsL. Clark, A. Béché, G. Guzzinati, A. Lubk, M. Mazilu, R. Van Boxem, and J. Verbeeck
Phys. Rev. Lett. 111, 064801 (2013)
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