Electron beams with a twist

L. Clark; S Lloyd; M Babiker; J Yuan

doi:10.1088/1742-6596/371/1/012005

Electron beams with a twist

L. Clark, S Lloyd, M Babiker, J Yuan

Research output: Chapter in Book/Report/Conference proceeding › Conference Paper › Research › peer-review

7 Citations (Scopus)

Abstract

The properties and behaviour of electron beams possessing orbital angular momentum are considered. Methods of their creation are discussed, but we concentrate mainly on the method involving binarized holographic masks. It is shown how suitable masks can be modelled using Bessel functions as well as Laguerre-Gaussian functions. The theoretical far-field diffraction patterns of these holograms are simulated using Fourier transform techniques and compared with the recently reported experimental results of electron vortex beams. The limitations of the masks and the potential of the technique for future research are pointed out and discussed.

Original language	English
Title of host publication	Journal of Physics
Subtitle of host publication	Conference Series
Editors	Ian MacLaren
Publisher	IOP Publishing
Number of pages	4
Volume	371
DOIs	https://doi.org/10.1088/1742-6596/371/1/012005
Publication status	Published - 2012
Externally published	Yes
Event	Institute-of-Physics-Electron-Microscopy and Analysis-Group Conference (EMAG) 2011 - The University of Birmingham, Birmingham, United Kingdom Duration: 6 Sept 2011 → 9 Sept 2011 https://www.eventsforce.net/iop/frontend/reg/thome.csp?pageID=48034&ef_sel_menu=740&eventID=142&eventID=142

Publication series

Name	Journal of Physics: Conference Series
Publisher	IOP Publishing
Volume	371
ISSN (Print)	1742-6588
ISSN (Electronic)	1742-6596

Conference

Conference	Institute-of-Physics-Electron-Microscopy and Analysis-Group Conference (EMAG) 2011
Abbreviated title	EMAG 2011
Country/Territory	United Kingdom
City	Birmingham
Period	6/09/11 → 9/09/11
Internet address	https://www.eventsforce.net/iop/frontend/reg/thome.csp?pageID=48034&ef_sel_menu=740&eventID=142&eventID=142

Access to Document

10.1088/1742-6596/371/1/012005

25845869-oaFinal published version, 537 KB

Cite this

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title = "Electron beams with a twist",

abstract = "The properties and behaviour of electron beams possessing orbital angular momentum are considered. Methods of their creation are discussed, but we concentrate mainly on the method involving binarized holographic masks. It is shown how suitable masks can be modelled using Bessel functions as well as Laguerre-Gaussian functions. The theoretical far-field diffraction patterns of these holograms are simulated using Fourier transform techniques and compared with the recently reported experimental results of electron vortex beams. The limitations of the masks and the potential of the technique for future research are pointed out and discussed.",

author = "L. Clark and S Lloyd and M Babiker and J Yuan",

year = "2012",

doi = "10.1088/1742-6596/371/1/012005",

language = "English",

volume = "371",

series = "Journal of Physics: Conference Series",

publisher = "IOP Publishing",

editor = "MacLaren, {Ian }",

booktitle = "Journal of Physics",

address = "United Kingdom",

note = "Institute-of-Physics-Electron-Microscopy and Analysis-Group Conference (EMAG) 2011, EMAG 2011 ; Conference date: 06-09-2011 Through 09-09-2011",

url = "https://www.eventsforce.net/iop/frontend/reg/thome.csp?pageID=48034&ef_sel_menu=740&eventID=142&eventID=142",

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Clark, L, Lloyd, S, Babiker, M & Yuan, J 2012, Electron beams with a twist. in I MacLaren (ed.), Journal of Physics: Conference Series. vol. 371, Journal of Physics: Conference Series, vol. 371, IOP Publishing, Institute-of-Physics-Electron-Microscopy and Analysis-Group Conference (EMAG) 2011, Birmingham, United Kingdom, 6/09/11. https://doi.org/10.1088/1742-6596/371/1/012005

TY - GEN

T1 - Electron beams with a twist

AU - Clark, L.

AU - Lloyd, S

AU - Babiker, M

AU - Yuan, J

PY - 2012

Y1 - 2012

N2 - The properties and behaviour of electron beams possessing orbital angular momentum are considered. Methods of their creation are discussed, but we concentrate mainly on the method involving binarized holographic masks. It is shown how suitable masks can be modelled using Bessel functions as well as Laguerre-Gaussian functions. The theoretical far-field diffraction patterns of these holograms are simulated using Fourier transform techniques and compared with the recently reported experimental results of electron vortex beams. The limitations of the masks and the potential of the technique for future research are pointed out and discussed.

AB - The properties and behaviour of electron beams possessing orbital angular momentum are considered. Methods of their creation are discussed, but we concentrate mainly on the method involving binarized holographic masks. It is shown how suitable masks can be modelled using Bessel functions as well as Laguerre-Gaussian functions. The theoretical far-field diffraction patterns of these holograms are simulated using Fourier transform techniques and compared with the recently reported experimental results of electron vortex beams. The limitations of the masks and the potential of the technique for future research are pointed out and discussed.

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DO - 10.1088/1742-6596/371/1/012005

M3 - Conference Paper

AN - SCOPUS:84865405162

VL - 371

T3 - Journal of Physics: Conference Series

BT - Journal of Physics

A2 - MacLaren, Ian

PB - IOP Publishing

T2 - Institute-of-Physics-Electron-Microscopy and Analysis-Group Conference (EMAG) 2011

Y2 - 6 September 2011 through 9 September 2011

ER -

Electron beams with a twist

Abstract

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Conference

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