All-optical isotropic scalar 4He magnetometer based on atomic alignment
Résumé
We propose a helium scalar magnetometer based on a triple resonance setup, showing no dead angles, and which can be implemented in an all-optical way. This triple-resonance scheme involves optical pumping with amplitude-modulated light, complemented by a modulated light-shift. Both light beams propagate parallel so that a single optical access to the atomic cell is needed. Experimental results are in good agreement with our theoretical model. The main error sources affecting the magnetometer accuracy are discussed.
Domaines
Physique [physics]
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2019_All-optical isotropic scalar 4He magnetometer based on atomic alignment.pdf (1.4 Mo)
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