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Inertial navigation systems generally consist of timing, acceleration, and orientation measurement units. Although much progress has been made towards developing primary timing sources such as atomic…
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The results here not only give insight into the nature of self-compensate characteristic but also provide a precise model for the estimation of the magnetic noise-induced rotation measurement error in a SERF co-magnetometer.
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A theoretical model for the closed-loop NMRG system based on the spin-exchange optical pumping of Rb-Xe is established and the transfer function is obtained, resulting in results in good agreement with the theoretical data.
Optically pumped NMR oscillator based on 131Xe nuclear spins.
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Effects of spin-exchange collisions on the fluctuation spectra of hot alkali-metal vapors
- PhysicsPhysical Review A
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We present a first-principles analysis of the noise spectra of alkali-metal vapors in and out of the spin-exchange-relaxation-free (SERF) regime, and we predict nonintuitive features with a potential…
Suppression of the Bias Error Induced by Magnetic Noise in a Spin-Exchange Relaxation-Free Gyroscope
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Spin-exchange relaxation-free gyroscope (SERFG) is a promising rotation sensor, and the bias error is one of its most important characteristics. It is identified that rotation measurement noise…
Measuring scale factor of atomic spin gyroscope and closed-loop operation
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The response of an atomic spin gyroscope to the AC magnetic field shows a dispersion-like signal as the field frequency. When a system rotates, the curve shifts with a unit scale factor. We used…
Feedback control for manipulating magnetization in spin-exchange optical pumping system
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- 2018
Control of magnetization plays an important role in the scientific and technological field of manipulating spin systems. In this work, we study the problem of manipulating nuclear magnetization in…
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