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Overcoming velocity broadening effects in magnetic beam encoded microscopy: a wavelength-resolved imaging scheme

MORGAN LOWE, Elena Cates, Helen Chadwick Orcid Logo, Gil Alexandrowicz Orcid Logo

Royal Society Open Science, Volume: 12, Issue: 10, Start page: 251238

Swansea University Authors: MORGAN LOWE, Helen Chadwick Orcid Logo, Gil Alexandrowicz Orcid Logo

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DOI (Published version): 10.1098/rsos.251238

Abstract

The recently developed magnetic encoding beam microscopy approach to imaging with neutral atomic beams has a spatial resolution that is limited by the spread of velocities within the beam. Here we present a solution for overcoming this restriction which is based on adding a homogeneous magnetic fiel...

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Published in: Royal Society Open Science
ISSN: 2054-5703
Published: The Royal Society 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa70346
first_indexed 2025-09-12T13:26:01Z
last_indexed 2025-10-25T06:47:12Z
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spelling 2025-10-24T11:45:21.3397323 v2 70346 2025-09-12 Overcoming velocity broadening effects in magnetic beam encoded microscopy: a wavelength-resolved imaging scheme c79ee6c069ad334e195bb1b191c510cf MORGAN LOWE MORGAN LOWE true false 8ff1942a68a875f00d473d51aa4947a1 0000-0003-4119-6903 Helen Chadwick Helen Chadwick true false 1401818466c1114ae2035b811568a38e 0000-0003-3203-5577 Gil Alexandrowicz Gil Alexandrowicz true false 2025-09-12 The recently developed magnetic encoding beam microscopy approach to imaging with neutral atomic beams has a spatial resolution that is limited by the spread of velocities within the beam. Here we present a solution for overcoming this restriction which is based on adding a homogeneous magnetic field and resolving both the spatial resolution and the de Broglie wavelength of the particles using sequential Fourier transforms. Numerical simulations are used to demonstrate the enhanced resolution obtained with this approach, and how features which were lost in the spatial reconstruction due to the spread of velocities can be recovered. Wavelength/velocity resolved profiles that were reconstructed from experimental data are presented, demonstrating how the scheme can be applied in practice. Journal Article Royal Society Open Science 12 10 251238 The Royal Society 2054-5703 atomic and molecular beams, neutral beam microscopy, magnetic resonance imaging 22 10 2025 2025-10-22 10.1098/rsos.251238 COLLEGE NANME COLLEGE CODE Swansea University SU Library paid the OA fee (TA Institutional Deal) This work was funded by an ERC consolidator grant, Horizon 2020 Research and Innovation Programme grant 772228 (G.A.) and an EPSRC grant (EP/X037886/1). 2025-10-24T11:45:21.3397323 2025-09-12T14:15:35.2688040 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry MORGAN LOWE 1 Elena Cates 2 Helen Chadwick 0000-0003-4119-6903 3 Gil Alexandrowicz 0000-0003-3203-5577 4 70346__35469__0050c3b509d84c148fc46ce65e14665d.pdf 70346.VOR.pdf 2025-10-24T11:42:06.5033582 Output 2967718 application/pdf Version of Record true © 2025 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License (CC BY). true eng http://creativecommons.org/licenses/by/4.0/
title Overcoming velocity broadening effects in magnetic beam encoded microscopy: a wavelength-resolved imaging scheme
spellingShingle Overcoming velocity broadening effects in magnetic beam encoded microscopy: a wavelength-resolved imaging scheme
MORGAN LOWE
Helen Chadwick
Gil Alexandrowicz
title_short Overcoming velocity broadening effects in magnetic beam encoded microscopy: a wavelength-resolved imaging scheme
title_full Overcoming velocity broadening effects in magnetic beam encoded microscopy: a wavelength-resolved imaging scheme
title_fullStr Overcoming velocity broadening effects in magnetic beam encoded microscopy: a wavelength-resolved imaging scheme
title_full_unstemmed Overcoming velocity broadening effects in magnetic beam encoded microscopy: a wavelength-resolved imaging scheme
title_sort Overcoming velocity broadening effects in magnetic beam encoded microscopy: a wavelength-resolved imaging scheme
author_id_str_mv c79ee6c069ad334e195bb1b191c510cf
8ff1942a68a875f00d473d51aa4947a1
1401818466c1114ae2035b811568a38e
author_id_fullname_str_mv c79ee6c069ad334e195bb1b191c510cf_***_MORGAN LOWE
8ff1942a68a875f00d473d51aa4947a1_***_Helen Chadwick
1401818466c1114ae2035b811568a38e_***_Gil Alexandrowicz
author MORGAN LOWE
Helen Chadwick
Gil Alexandrowicz
author2 MORGAN LOWE
Elena Cates
Helen Chadwick
Gil Alexandrowicz
format Journal article
container_title Royal Society Open Science
container_volume 12
container_issue 10
container_start_page 251238
publishDate 2025
institution Swansea University
issn 2054-5703
doi_str_mv 10.1098/rsos.251238
publisher The Royal Society
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemistry{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemistry
document_store_str 1
active_str 0
description The recently developed magnetic encoding beam microscopy approach to imaging with neutral atomic beams has a spatial resolution that is limited by the spread of velocities within the beam. Here we present a solution for overcoming this restriction which is based on adding a homogeneous magnetic field and resolving both the spatial resolution and the de Broglie wavelength of the particles using sequential Fourier transforms. Numerical simulations are used to demonstrate the enhanced resolution obtained with this approach, and how features which were lost in the spatial reconstruction due to the spread of velocities can be recovered. Wavelength/velocity resolved profiles that were reconstructed from experimental data are presented, demonstrating how the scheme can be applied in practice.
published_date 2025-10-22T05:30:37Z
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score 11.089386

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