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Journal of the Optical Society of America B

Journal of the Optical Society of America B



Optics InfoBase > JOSA B > Page g001

Fig. 1. Basic configuration of the Bell–Bloom magnetometer. A circularly polarized laser beam pumps the atomic ensemble, which acquires a macroscopic magnetization ( M ). In the presence of a magnetic field B o , M precesses about the field at Larmor frequency. Readout of the precession frequency is implemented by OR detection of a linearly polarized laser beam. Continuous readout is achieved by modulating the amplitude of the pumping light.
Ricardo Jiménez-Martínez, W. Clark Griffith, Svenja Knappe, John Kitching, Mark Prouty, J. Opt. Soc. Am. B 29, 3398-3403 (2012).

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