Guided transport of ultracold gases of rubidium up to a room-temperature dielectric surface

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Title Guided transport of ultracold gases of rubidium up to a room-temperature dielectric surface
Author Marchant, A.L.; Haendel, Sylvi; Wiles, T.P.; Hopkins, S.A.; Cornish, S.L.
Journal Name New Journal of Physics
Year Published 2011
Place of publication United Kingdom
Publisher Institute of Physics Publishing Ltd.
Abstract We report on the guided transport of an atomic sample along an optical waveguide up to a room-temperature dielectric surface. The technique exploits a simple hybrid trap consisting of a single beam dipole trap positioned ~125 μm below the field zero of a magnetic quadrupole potential. Transportation is realized by applying a moderate bias field (<12 G) to displace the magnetic field zero of the quadrupole potential along the axis of the dipole trap. We use the technique to demonstrate that atomic gases may be controllably transported over 8 mm with negligible heating or loss. The transport path is completely defined by the optical waveguide and we demonstrate that, by aligning the waveguide through a super polished prism, ultracold atoms may be controllably delivered up to a predetermined region of a surface.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1088/1367-2630/13/12/125003
Volume 13
Issue Number December
Page from 125003-1
Page to 125003-13
ISSN 1367-2630
Date Accessioned 2012-01-12; 2012-02-16T05:38:43Z
Date Available 2012-02-16T05:38:43Z
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Atomic and Molecular Physics
URI http://hdl.handle.net/10072/42813
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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