Comparison between two mobile absolute gravimeters: optical versus atomic interferometers

Details Comparison between two mobile absolute gravimeters: optical versus atomic interferometers Comparison between two mobile absolute gravimeters: optical versus atomic interferometers

2010-05-03

arxiv.org/abs/1005.0357v2

Metrologia 47 (2010) L9-L11

Physics

Atomic Physics

Scientific paper

10.1088/0026-1394/47/4/L01

We report a comparison between two absolute gravimeters: the LNE-SYRTE cold atoms gravimeter and FG5#220 of Leibniz Universit\"at of Hannover. They rely on different principles of operation: atomic and optical interferometry. Both are movable which enabled them to participated to 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.

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