We report on an atom interferometer based on Bragg diffraction in a fountain of alkaline-earth-metal atoms, namely Sr88. 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 δg/g=4×10−8. Thanks to the special characteristics of strontium atoms for precision measurements, this result introduces alternate possibilities for experiments in fundamental and applied physics.
Large-momentum-transfer Bragg interferometer with strontium atoms / Mazzoni, T.; Zhang, X.; Del Aguila, R.; Salvi, L.; Poli, N.; Tino, G. M.. - In: PHYSICAL REVIEW A. - ISSN 1050-2947. - STAMPA. - 92:(2015), pp. 0536191-0536196. [10.1103/PhysRevA.92.053619]
Large-momentum-transfer Bragg interferometer with strontium atoms
MAZZONI, TOMMASO;ZHANG, XIAN;DEL AGUILA, RUBEN PABLO;SALVI, LEONARDO;POLI, NICOLA;TINO, GUGLIELMO MARIA
2015
Abstract
We report on an atom interferometer based on Bragg diffraction in a fountain of alkaline-earth-metal atoms, namely Sr88. 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 δg/g=4×10−8. Thanks to the special characteristics of strontium atoms for precision measurements, this result introduces alternate possibilities for experiments in fundamental and applied physics.File | Dimensione | Formato | |
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