We report on recent results of our atom interferometer in microgravity based on samples ofdegenerate quantum gases within the QUANTUS collaboration. In 2007, the rst Bose-EinsteinCondensate (BEC) in microgravity was realized at the ZARM drop tower in Bremen. Since then,the free evolution of the condensate has been studied thoroughly, and the BEC can now act asa source for matter waves to implement an atom interferometer. This technique could one daylead to inertial sensors to measure accelerations with highest precision. We have operated dierentinterferometer topologies in the drop tower to prove the feasibility of using this kind of experimentin microgravity environments.
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