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Trapping cold neutral atoms with an iron-core electromagnet

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Abstract:

We have developed an iron-core electromagnet and used it to trap neutral atoms. The magnetic field can be switched from a spherical quadrupole configuration to a Ioffe configuration within 2 ms. We load 2 87Rb atoms from a vapor into a Magneto-Optical Trap (MOT) and transfer them into the purely magnetic trap with an efficiency of 95%. A strong radial compression is possible since we can generate quadrupole gradients up to 0.1 T/cm with an excitation current of 10 A (400 W of power consumption).

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Authors and Affiliations

  1. Institut d'Optique (URA 14 du CNRS), BP 147, 91403, Orsay Cedex, France

    B. Desruelle, V. Boyer, P. Bouyer, C.I. Westbrook & A. Aspect

  2. L.E.Si.R (URA 1375 du CNRS), ENS Cachan, France

    M. Lécrivain & F. Alves

  3. Institut für Quantenoptik, Universität Hannover, Welfengarten 1, 30167, Hannover, Germany

    G. Birkl

Authors
  1. B. Desruelle
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  2. V. Boyer
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  3. P. Bouyer
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  4. G. Birkl
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  5. M. Lécrivain
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  6. F. Alves
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  7. C.I. Westbrook
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  8. A. Aspect
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Desruelle, B., Boyer, V., Bouyer, P. et al. Trapping cold neutral atoms with an iron-core electromagnet. Eur. Phys. J. D 1, 255–258 (1998). https://doi.org/10.1007/s100530050090

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  • DOI: https://doi.org/10.1007/s100530050090

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