Optical pumping, resonance magnetometer using a plurality of mul

Details Optical pumping, resonance magnetometer using a plurality of mul Optical pumping, resonance magnetometer using a plurality of mul

1991-06-10

1993-10-19

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Using optical pumping or sensing device

324302, G01V 300

Patent

active

052549470

ABSTRACT:
A magnetometer for precise measurement of weak magnetic fields involves a system which injects a plurality of light beams into a gas containing cell. An optical multiplexer receives the light beams emitted by a source and successively supplies a plurality of light beams which traverse a corresponding number of polarizers. The beams are subsequently injected into the cell 10 in the plurality of different directions in order to optically pump the gas. A detection device detects an electrical resonance signal and supplies a plurality of signals corresponding to the optical pumping beams.

REFERENCES:
patent: 3863144 (1975-01-01), Simpson et al.
patent: 4209746 (1980-06-01), Abramov et al.
patent: 4509014 (1985-04-01), Karwacki et al.
"Low field helium magnetometer for space applications", vol. NS-10, No. 1, 1963, R. E. Slocum et al, pp. 165-171.

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