| Production of electron vortex beams carrying large orbital angular momentum using spiral zone plates. | |
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MedLine Citation:
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PMID: 22394576 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We report the production of electron vortex beams carrying large orbital angular momentum (OAM) using micro-fabricated spiral zone plates. A series of the spherical waves, focussing onto different positions along the propagating direction of the electron beam, were observed. The nth order vortex beam has an OAM n times larger than that of the first-order vortex beam. We observed an electron vortex with an OAM up to in a high-order diffracted wave. A linear dependence of the diameter of the vortex beam on the OAM was observed, being consistent to numerical simulations. |
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Authors:
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Koh Saitoh; Yuya Hasegawa; Nobuo Tanaka; Masaya Uchida |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-3-6 |
Journal Detail:
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Title: Journal of electron microscopy Volume: - ISSN: 1477-9986 ISO Abbreviation: - Publication Date: 2012 Mar |
Date Detail:
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Created Date: 2012-3-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7611157 Medline TA: J Electron Microsc (Tokyo) Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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EcoTopia Science Institute. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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