Abstract.
We have constructed an atom interferometer of the Mach–Zehnder type, operating with a supersonic beam of lithium. Atom diffraction uses Bragg diffraction on laser standing waves. With first-order diffraction, our apparatus has given a large signal and a very good fringe contrast (74%), which we believe to be the highest ever observed with thermal atom interferometers. This apparatus will be applied to high-sensitivity measurements.
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Received: 22 November 2001 / Revised version: 10 February 2002 / Published online: 24 April 2002
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Delhuille, R., Champenois, C., Büchner, M. et al. High-contrast Mach–Zehnder lithium-atom interferometer in the Bragg regime. Appl Phys B 74, 489–493 (2002). https://doi.org/10.1007/s003400200840
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DOI: https://doi.org/10.1007/s003400200840