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Sugarbaker, Alex; Dickerson, Susannah M; Hogan, Jason M; Johnson, David M S; Kasevich, Mark A
Physical review letters, 2013-Sep-13, Letnik: 111, Številka: 11Journal Article
We present a method for determining the phase and contrast of a single shot of an atom interferometer. The application of a phase shear across the atom ensemble yields a spatially varying fringe pattern at each output port, which can be imaged directly. This method is broadly relevant to atom-interferometric precision measurement, as we demonstrate in a 10 m 87Rb atomic fountain by implementing an atom-interferometric gyrocompass with 10 mdeg precision.
