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A dynamic magneto-optical trap for atom chips

Jo Rushton, Ritayan Roy, James Bateman Orcid Logo, Matt Himsworth

New Journal of Physics, Volume: 18, Issue: 11, Start page: 113020

Swansea University Author: James Bateman Orcid Logo

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DOI (Published version): 10.1088/1367-2630/18/11/113020

Abstract

We describe a dynamic magneto-optical trap (MOT) suitable for the use with vacuum systems in which optical access is limited to a single window. This technique facilitates the long-standing desire of producing integrated atom chips, many of which are likely to have severely restricted optical access...

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Published in: New Journal of Physics
ISSN: 1367-2630
Published: IOP Publishing 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa31028
first_indexed 2016-11-10T14:12:18Z
last_indexed 2020-07-16T18:47:26Z
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spelling 2020-07-16T16:29:34.2763451 v2 31028 2016-11-10 A dynamic magneto-optical trap for atom chips 3b46126aa511514414c6c42c9c6f0654 0000-0003-4885-2539 James Bateman James Bateman true false 2016-11-10 BGPS We describe a dynamic magneto-optical trap (MOT) suitable for the use with vacuum systems in which optical access is limited to a single window. This technique facilitates the long-standing desire of producing integrated atom chips, many of which are likely to have severely restricted optical access compared with conventional vacuum chambers. This "switching-MOT" relies on the synchronized pulsing of optical and magnetic fields at audio frequencies. The trap's beam geometry is obtained using a planar mirror surface, and does not require a patterned substrate or bulky optics inside the vacuum chamber. Central to the design is a novel magnetic field geometry that requires no external quadrupole or bias coils which leads toward a very compact system. We have implemented the trap for 85Rb and shown that it is capable of capturing 2 million atoms and directly cooling below the Doppler temperature. Journal Article New Journal of Physics 18 11 113020 IOP Publishing 1367-2630 9 11 2016 2016-11-09 10.1088/1367-2630/18/11/113020 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University 2020-07-16T16:29:34.2763451 2016-11-10T10:14:28.0277558 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Jo Rushton 1 Ritayan Roy 2 James Bateman 0000-0003-4885-2539 3 Matt Himsworth 4 0031028-02122016145113.pdf Rushton2016NewJPhys18113020.pdf 2016-12-02T14:51:13.4370000 Output 1717150 application/pdf Version of Record true 2016-12-02T00:00:00.0000000 Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. true
title A dynamic magneto-optical trap for atom chips
spellingShingle A dynamic magneto-optical trap for atom chips
James Bateman
title_short A dynamic magneto-optical trap for atom chips
title_full A dynamic magneto-optical trap for atom chips
title_fullStr A dynamic magneto-optical trap for atom chips
title_full_unstemmed A dynamic magneto-optical trap for atom chips
title_sort A dynamic magneto-optical trap for atom chips
author_id_str_mv 3b46126aa511514414c6c42c9c6f0654
author_id_fullname_str_mv 3b46126aa511514414c6c42c9c6f0654_***_James Bateman
author James Bateman
author2 Jo Rushton
Ritayan Roy
James Bateman
Matt Himsworth
format Journal article
container_title New Journal of Physics
container_volume 18
container_issue 11
container_start_page 113020
publishDate 2016
institution Swansea University
issn 1367-2630
doi_str_mv 10.1088/1367-2630/18/11/113020
publisher IOP Publishing
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 Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
document_store_str 1
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description We describe a dynamic magneto-optical trap (MOT) suitable for the use with vacuum systems in which optical access is limited to a single window. This technique facilitates the long-standing desire of producing integrated atom chips, many of which are likely to have severely restricted optical access compared with conventional vacuum chambers. This "switching-MOT" relies on the synchronized pulsing of optical and magnetic fields at audio frequencies. The trap's beam geometry is obtained using a planar mirror surface, and does not require a patterned substrate or bulky optics inside the vacuum chamber. Central to the design is a novel magnetic field geometry that requires no external quadrupole or bias coils which leads toward a very compact system. We have implemented the trap for 85Rb and shown that it is capable of capturing 2 million atoms and directly cooling below the Doppler temperature.
published_date 2016-11-09T06:58:18Z
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score 11.048994

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