Measuring the orbital angular momentum spectrum of an electron beam
Existing methods of characterizing electron beams carrying orbital angular momentum are inefficient as they allow measuring one OAM state at a time. Here the authors demonstrate an OAM spectrometer capable of analysing multiple OAM states and a potential tool for probing magnetic materials.
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Auteurs principaux: | Vincenzo Grillo, Amir H. Tavabi, Federico Venturi, Hugo Larocque, Roberto Balboni, Gian Carlo Gazzadi, Stefano Frabboni, Peng-Han Lu, Erfan Mafakheri, Frédéric Bouchard, Rafal E. Dunin-Borkowski, Robert W. Boyd, Martin P. J. Lavery, Miles J. Padgett, Ebrahim Karimi |
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Format: | article |
Langue: | EN |
Publié: |
Nature Portfolio
2017
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Sujets: | |
Accès en ligne: | https://doaj.org/article/9931279062df4b67bbd3590c95f1d2a8 |
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