Phase modulation detection of a strontium atom interferometer gyroscope
Abstract
We demonstrate a strontium thermal beam atom interferometer gyroscope (AIG) on a rotation table using the 1\!S0- 3\!P1 intercombination line, and measure large rotation rates exceeding 6 rad/s. Our demonstration relies upon a transit-time-resonant (TTR), phase modulation technique for detecting the AIG phase which rejects signal background and variations in fringe amplitude.
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