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Matter-wave interferometry is among the most advanced technologies for precision measurements. Light-pulse atom interferometry uses the recoil momentum from photon-atom interactions to coherently split and recombine matter waves. It has been used for measuring gravity, the gravity gradient, rotation, fundamental constants, and for testing fundamental laws of physics in well-controlled laboratories. New applications, such as geodesy, geology, or inertial navigation, are foreseeable with robust, mobile, and versatile quantum sensors. In this talk, I will present atom interferometers for measuring the fine structure constant, constraining on dark energy, and sensing inertial forces. Particularly, I will elaborate a multiaxis atom interferometer toward deployable quantum sensors for field applications. |
