Nondestructive Measurement of Orbital Angular Momentum for an Electron Beam

H. Larocque, F. Bouchard, V. Grillo, A. Sit, S. Frabboni, R. E. Dunin-Borkowski, M. J. Padgett, R. W. Boyd, and E. Karimi, Phys. Rev. Lett. 117, 154801 (2016).

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