Foil-based atom chip for Bose-Einstein condensates

Vale, C J , Upcroft, B, Davis, M J , Heckenberg , N R , & Rubinsztein-Dunlop, H (2004) Foil-based atom chip for Bose-Einstein condensates. Journal of Physics B: Atomic, Molecular and Optical Physics, 37(14), pp. 2959-2967.

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Abstract

We describe a novel method of fabricating atom chips that are well suited to the production and manipulation of atomic Bose–Einstein condensates. Our chip was created using a silver foil and simple micro-cutting techniques without the need for photolithography. It can sustain larger currents than conventional chips, and is compatible with the patterning of complex trapping potentials. A near pure Bose–Einstein condensate of 4 × 104 87Rb atoms has been created in a magnetic microtrap formed by currents through wires on the chip. We have observed the fragmentation of atom clouds in close proximity to the silver conductors. The fragmentation has different characteristic features to those seen with copper conductors.

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ID Code: 70450
Item Type: Journal Article
Refereed: Yes
DOI: 10.1088/0953-4075/37/14/009
ISSN: 0953-4075
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: © 2004 IOP Publishing Ltd
Deposited On: 24 Apr 2014 01:07
Last Modified: 24 Apr 2014 01:07

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