Phys. Rev. A 73, 063408 (2006) [7 pages]Versatile electrostatic trapReceived 28 February 2006; published 14 June 2006 A four electrode electrostatic trap geometry is demonstrated that can be used to combine a dipole, quadrupole, and hexapole field. A cold packet of 15ND3 molecules is confined in both a purely quadrupolar and hexapolar trapping field and additionally, a dipole field is added to a hexapole field to create either a double-well or a donut-shaped trapping field. The profile of the 15ND3 packet in each of these four trapping potentials is measured, and the dependence of the well-separation and barrier height of the double-well and donut potential on the hexapole and dipole term are discussed. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.73.063408
DOI:
10.1103/PhysRevA.73.063408
PACS:
33.80.Ps, 33.55.Be, 39.10.+j
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