Adaptive inelastic magnetic mirror for Bose-Einstein condensates

A.S. Arnold, C. MacCormick, M.G. Boshier

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We report the reflection and focusing of a Bose-Einstein condensate by a pulsed magnetic mirror. The mirror is adaptive, inelastic, and has extremely high optical quality. Deviations from specularity are below 1 mrad rms - almost an order of magnitude better than other atomic mirrors. The mirror has been used to realize the atom-optical analog of a beam expander, producing an ultracold collimated fountain of matter waves. The results of these experiments are in good agreement with simple theoretical models.
Original languageEnglish
Pages (from-to)031601(R)
Number of pages4
JournalPhysical Review A
Issue number3
Publication statusPublished - Jan 2002


  • Bose-Einstein condensates
  • magnetic field
  • optics
  • photonics


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