Versatile electrostatic trap

J. van Veldhoven, H.L. Bethlem, M. Schnell, G. Meijer

Research output: Contribution to JournalArticleAcademicpeer-review


A four electrode electrostatic trap geometry is demonstrated that can be used to combine a dipole, quadrupole, and hexapole field. A cold packet of ND315 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 ND315 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.
Original languageEnglish
JournalPhysical Review A. Atomic, Molecular and Optical Physics
Issue number6
Publication statusPublished - 2006


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