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Title: Atom chip apparatus for experiments with ultracold rubidium and potassium gases

We present a dual chamber atom chip apparatus for generating ultracold {sup 87}Rb and {sup 39}K atomic gases. The apparatus produces quasi-pure Bose-Einstein condensates of 10{sup 4} {sup 87}Rb atoms in an atom chip trap that features a dimple and good optical access. We have also demonstrated production of ultracold {sup 39}K and subsequent loading into the chip trap. We describe the details of the dual chamber vacuum system, the cooling lasers, the magnetic trap, the multicoil magnetic transport system, the atom chip, and two optical dipole traps. Due in part to the use of light-induced atom desorption, the laser cooling chamber features a sufficiently good vacuum to also support optical dipole trap-based experiments. The apparatus is well suited for studies of atom-surface forces, quantum pumping and transport experiments, atom interferometry, novel chip-based traps, and studies of one-dimensional many-body systems.
Authors:
; ; ; ; ; ; ; ;  [1] ;  [2]
  1. Department of Physics, College of William and Mary, Williamsburg, Virginia 23187 (United States)
  2. Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7 (Canada)
Publication Date:
OSTI Identifier:
22254952
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 85; Journal Issue: 4; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; BOSE-EINSTEIN CONDENSATION; COOLING; DESORPTION; DIPOLES; EQUIPMENT; INTERFEROMETRY; LASERS; MANY-BODY PROBLEM; POTASSIUM 39; PUMPING; RUBIDIUM 87; SURFACE FORCES; TRAPS; VACUUM SYSTEMS