Phase modulation detection of a strontium atom interferometer gyroscope
Luke A. Kraft, Samuel A. Meek, Nathan Marliere, Akbar Jahangiri Jozani, and Grant W. Biedermann
TL;DR
This paper presents a strontium atom interferometer gyroscope capable of measuring large rotation rates, utilizing a novel phase modulation detection technique that improves signal clarity and stability.
Contribution
It introduces a transit-time-resonant phase modulation method for detecting phase shifts in a strontium atom interferometer gyroscope, enhancing measurement robustness.
Findings
Successfully measured rotation rates over 6 rad/s.
Implemented a phase modulation technique that reduces background noise.
Demonstrated stable operation of a strontium-based atom interferometer gyroscope.
Abstract
We demonstrate a strontium thermal beam atom interferometer gyroscope (AIG) on a rotation table using the - 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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