We report a comparison between two absolute gravimeters: the LNE-SYRTE cold atom gravimeter and FG5\#220 of Leibniz Universitat of Hannover. They rely on different principles of operation: atomic and optical interferometry. Both are movable which enabled them to participate in the last International Comparison of Absolute Gravimeters (ICAG'09) at BIPM. Immediately after, their bilateral comparison took place in the LNE watt balance laboratory and showed an agreement of (4.3 +/- 6.4) mu Gal.
Comparison between two mobile absolute gravimeters: optical versus atomic interferometers
MALOSSI, Nicola;
2010-01-01
Abstract
We report a comparison between two absolute gravimeters: the LNE-SYRTE cold atom gravimeter and FG5\#220 of Leibniz Universitat of Hannover. They rely on different principles of operation: atomic and optical interferometry. Both are movable which enabled them to participate in the last International Comparison of Absolute Gravimeters (ICAG'09) at BIPM. Immediately after, their bilateral comparison took place in the LNE watt balance laboratory and showed an agreement of (4.3 +/- 6.4) mu Gal.File in questo prodotto:
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