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Pré-Publication, Document De Travail Année : 2005

Lithium atom interferometer using laser diffraction : description and experiments

Résumé

We have built and operated an atom interferometer of the Mach-Zehnder type. The atomic wave is a supersonic beam of lithium seeded in argon and the mirrors and beam-splitters for the atomic wave are based on elastic Bragg diffraction on laser standing waves at 671 nm. We give here a detailed description of our experimental setup and of the procedures used to align its components. We then present experimental signals, exhibiting atomic interference effects with a very high visibility, up to 84.5 %. We describe a series of experiments testing the sensitivity of the fringe visibility to the main alignment defects and to the magnetic field gradient.
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Dates et versions

hal-00003124 , version 1 (22-10-2004)
hal-00003124 , version 2 (24-11-2004)
hal-00003124 , version 3 (05-01-2005)
hal-00003124 , version 4 (08-04-2005)

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Alain Miffre, Marion Jacquey, Matthias Büchner, Gérard Trénec, Jacques Vigué. Lithium atom interferometer using laser diffraction : description and experiments. 2005. ⟨hal-00003124v3⟩
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