Journal
COMPTES RENDUS PHYSIQUE
Volume 15, Issue 10, Pages 875-883Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crhy.2014.10.009
Keywords
Matter-wave Sagnac interferometer; Light-matter interactions; Stimulated Raman transitions; Cold atoms; Precision measurements; Inertial navigation; Geophysics
Funding
- Delegation generale pour l'armement grant REI [2010.34.0005]
- French space agency CNES (Centre national d'etudes spatiales)
- CNES
- FIRST-TF
- Region Iie-de-France
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Since the first atom interferometry experiments in 1991, measurements of rotation through the Sagnac effect in open-area atom interferometers have been investigated. These studies have demonstrated very high sensitivity that can compete with state-of-the-art optical Sagnac interferometers. Since the early 2000s, these developments have been motivated by possible applications in inertial guidance and geophysics. Most matter-wave interferometers that have been investigated since then are based on two-photon Raman transitions for the manipulation of atomic wave packets. Results from the two most studied configurations, a space-domain interferometer with atomic beams and a time-domain interferometer with cold atoms, are presented and compared. Finally, the latest generation of cold atom interferometers and their preliminary results are presented. (C) 2014 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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