Abstract
Magnetic resonance of sodium fluorescence is studied with varying laser intensity, duty cycle, and field strength. A magnetometer based on a sodium vapor cell filled with He buffer gas is demonstrated, using a single amplitude-modulated laser beam. With a 589 nm laser tuned at the or line, the magnetic field is inferred from the variation of fluorescence. A magnetic field sensitivity of is achieved at the line. The work is an important step toward sensitive remote magnetometry with mesospheric sodium.
© 2017 Optical Society of America
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