Influence of lasers propagation delay on the sensitivity of atom interferometers |
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Authors: | J Le Gouët P Cheinet J Kim D Holleville A Clairon A Landragin F Pereira Dos Santos |
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Institution: | (1) LNE-SYRTE, Observatoire de Paris, LNE, CNRS, UPMC, 61 avenue de l'Observatoire, 75014 Paris, France |
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Abstract: | In atom interferometers based on two photon transitions,
the delay induced by the difference of the laser beams paths makes
the interferometer sensitive to the fluctuations of the frequency
of the lasers. We first study, in the general case, how the laser
frequency noise affects the performance of the interferometer
measurement. Our calculations are compared with the measurements
performed on our cold atom gravimeter based on stimulated Raman
transitions. We finally extend this study to the case of cold atom
gradiometers. |
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Keywords: | 39 20 +q Atom interferometry techniques 32 80 Pj Optical cooling of atoms trapping 06 20 -f Metrology |
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