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physics.app-ph2024
Electrostatic interference control of a high-energy coherent electron beam using a three-element Boersch phase shifter
Pooja Thakkar, Vitaliy A. Guzenko, Peng-Han Lu +3
In contrast to static holographic phase shifters, which are restricted to specific electron beam energies and microscope settings, Boersch phase shifters are promising for creating…
physics.app-ph2022★ 21 cited
Generation of electron vortex beams with over 1000 orbital angular momentum quanta using a tuneable electrostatic spiral phase plate
A. H. Tavabi, P. Rosi, A. Roncaglia +9
We report the use of an electrostatic MEMS-based device to produce high quality electron vortex beams with more than 1000 quanta of orbital angular momentum (OAM). Diffraction and…