We report on the characterization of a dual cloud atom interferometer for gravity gradient measurements using third-order Bragg diffraction as atom optical elements. We study the dependence of the contrast and the gradiometer phase angle against the relevant experimental parameters and characterize the instrument sensitivity. We achieve a sensitivity to gravity gradient measurements of 2.6×10−8s−2 (26 E) after 2000s of integration time.
Bragg interferometer for gravity gradient measurements / D'Amico, G.; Borselli, F.; Cacciapuoti, L.; Prevedelli, M.; Rosi, G.; Sorrentino, F.; Tino, G. M.. - In: PHYSICAL REVIEW A. - ISSN 2469-9926. - STAMPA. - 93:(2016), pp. 0636281-0636289. [10.1103/PhysRevA.93.063628]
Bragg interferometer for gravity gradient measurements
D'AMICO, GIULIO;borselli, filippo;CACCIAPUOTI, LUIGI;PREVEDELLI, MARCO;ROSI, GABRIELE;SORRENTINO, FIODOR;TINO, GUGLIELMO MARIA
2016
Abstract
We report on the characterization of a dual cloud atom interferometer for gravity gradient measurements using third-order Bragg diffraction as atom optical elements. We study the dependence of the contrast and the gradiometer phase angle against the relevant experimental parameters and characterize the instrument sensitivity. We achieve a sensitivity to gravity gradient measurements of 2.6×10−8s−2 (26 E) after 2000s of integration time.
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Descrizione: We report on the characterization of a dual cloud atom interferometer for gravity gradient measurements using third-order Bragg diffraction as atom optical elements. We study the dependence of the contrast and the gradiometer phase angle against the relevant experimental parameters and characterize the instrument sensitivity. We achieve a sensitivity to gravity gradient measurements of 2.6×10−8s−2 (26 E) after 2000s of integration time.
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