Abstract
Atomic spin gyroscope (ASG) based on comagnetometer is a high sensitive and compact gyroscope for future inertial navigation applications. The start-up time was several hours of the demonstrated ASGs based on 3He-K or 21Ne-Rb-K comagnetometer, and only a few inertial navigation applications allow such a long time for preparation. We report the demonstration of an ASG based on 129Xe-Cs comagnetometer, which decreases the start-up time to 10 minutes and decreases the operation temperature by 40% as well. By operating this ASG in spin exchange relaxation free regime, a sensitivity of 7×10−5 °/(s Hz1/2) was achieved.
Highlights
Atomic spin gyroscope (ASG) based on comagnetometer is a high sensitive and compact gyroscope for future inertial navigation applications
Atomic gyroscopes have been developed in recent years, which may prove to be the generation gyroscopes for future high precision inertial navigation applications [3]
An equivalent rotation resolution of 2.5×10 7 °/s was obtained by the ASG based on 3He-K comagnetometer [7], and an equivalent rotation resolution of 1.8×10 7 °/s was realized by the ASG based on 21Ne-Rb-K comagnetometer [8]
Summary
Atomic spin gyroscope (ASG) based on comagnetometer is a high sensitive and compact gyroscope for future inertial navigation applications. Atomic spin gyroscope, comagnetometer, spin exchange relaxation free, inertial navigation Atomic gyroscopes have been developed in recent years, which may prove to be the generation gyroscopes for future high precision inertial navigation applications [3].
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