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A dynamic magneto-optical trap for atom chips / Jo Rushton; Ritayan Roy; James Bateman; Matt Himsworth

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

Swansea University Author: James, Bateman

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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
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa31028
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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 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.
College: College of Science
Issue: 11
Start Page: 113020