High-contrast Mach–Zehnder lithium-atom interferometer in the Bragg regime |
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| Authors: | R Delhuille C Champenois M Büchner L Jozefowski C Rizzo G Trénec J Vigué |
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| Institution: | (1) Laboratoire Collisions Agrégats Réactivité– IRSAMC, Université Paul Sabatier and CNRS UMR 5589, 118, Route de Narbonne, 31062 Toulouse Cedex, France, FR |
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| 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.
Received: 22 November 2001 / Revised version: 10 February 2002 / Published online: 24 April 2002 |
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| Keywords: | PACS: 03 75 Dg 32 80 Lg 39 20 +q |
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