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Large-momentum-transfer Bragg interferometer with strontium atoms
2015
Physical Review A. Atomic, Molecular, and Optical Physics
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We report on the first atom interferometer based on Bragg diffraction in a fountain of alkaline-earth atoms, namely ^88Sr. We demonstrate large momentum transfer to the atoms up to eight photon recoils and the use of the interferometer as a gravimeter with a sensitivity δ g/g=4× 10^-8. Thanks to the special characteristics of strontium atoms for precision measurements, this result opens a new way for experiments in fundamental and applied physics.
doi:10.1103/physreva.92.053619
fatcat:aovpjjxxmnhzbim54s76q24wai