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Dresden 2011 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 57: Poster 3: Quantengase, Ultrakalte Atome, Ultrakalte Moleküle, Materiewellen Optik, Präzisionsmessungen, Metrologie

Q 57.94: Poster

Thursday, March 17, 2011, 16:30–19:30, P1

A mobile atom interferometer for high precision measurement of local gravity — •Vladimir Schkolnik, Malte Schmidt, Alexander Senger, Matthias Hauth, Christian Freier, and Achim Peters — Institut für Physik, HU Berlin, Germany

GAIN (Gravimetric Atom Interferometer) is a mobile gravimeter, which is based on interfering ensembles of laser cooled 87Rb atoms in an atomic fountain configuration. With a targeted accuracy of a few parts in 1010 for the measurement of local gravity, g, this instrument will offer about an order of magnitude improvement in performance over the best currently available absolute gravimeters.

This poster will outline the working principle of our mobile gravimeter and describe its subsystems in detail. Furthermore we present first measurements after the move into our new building and discuss plans for future improvements.

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