Abstract
We report the first demonstration of an inductively coupled magnetic ring trap for cold atoms. A uniform, ac magnetic field is used to induce current in a copper ring, which creates an opposing magnetic field that is time-averaged to produce a smooth cylindrically symmetric ring trap of radius 5 mm. We use a laser-cooled atomic sample to characterize the loading efficiency and adiabaticity of the magnetic potential, achieving a vacuum-limited lifetime in the trap. This technique is suitable for creating scalable toroidal waveguides for applications in matter-wave interferometry, offering long interaction times and large enclosed areas.
| Original language | English |
|---|---|
| Article number | 103047 |
| Number of pages | 13 |
| Journal | New Journal of Physics |
| Volume | 14 |
| DOIs | |
| Publication status | Published - 30 Oct 2012 |
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Keywords
- demonstration
- inductively coupled
- ring trap
- cold atoms
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Demonstration of an inductively coupled ring trap for cold atoms. / Pritchard, J. D.; Dinkelaker, A. N.; Arnold, A. S.; Griffin, P. F.; Riis, E.
In: New Journal of Physics, Vol. 14, 103047, 30.10.2012.Research output: Contribution to journal › Article
TY - JOUR
T1 - Demonstration of an inductively coupled ring trap for cold atoms
AU - Pritchard, J. D.
AU - Dinkelaker, A. N.
AU - Arnold, A. S.
AU - Griffin, P. F.
AU - Riis, E.
PY - 2012/10/30
Y1 - 2012/10/30
N2 - We report the first demonstration of an inductively coupled magnetic ring trap for cold atoms. A uniform, ac magnetic field is used to induce current in a copper ring, which creates an opposing magnetic field that is time-averaged to produce a smooth cylindrically symmetric ring trap of radius 5 mm. We use a laser-cooled atomic sample to characterize the loading efficiency and adiabaticity of the magnetic potential, achieving a vacuum-limited lifetime in the trap. This technique is suitable for creating scalable toroidal waveguides for applications in matter-wave interferometry, offering long interaction times and large enclosed areas.
AB - We report the first demonstration of an inductively coupled magnetic ring trap for cold atoms. A uniform, ac magnetic field is used to induce current in a copper ring, which creates an opposing magnetic field that is time-averaged to produce a smooth cylindrically symmetric ring trap of radius 5 mm. We use a laser-cooled atomic sample to characterize the loading efficiency and adiabaticity of the magnetic potential, achieving a vacuum-limited lifetime in the trap. This technique is suitable for creating scalable toroidal waveguides for applications in matter-wave interferometry, offering long interaction times and large enclosed areas.
KW - demonstration
KW - inductively coupled
KW - ring trap
KW - cold atoms
U2 - 10.1088/1367-2630/14/10/103047
DO - 10.1088/1367-2630/14/10/103047
M3 - Article
VL - 14
JO - New Journal of Physics
JF - New Journal of Physics
SN - 1367-2630
M1 - 103047
ER -