Optical pumping, resonance magnetometer using a sequential polar

Details Optical pumping, resonance magnetometer using a sequential polar Optical pumping, resonance magnetometer using a sequential polar

1991-06-10

1993-07-06

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Using optical pumping or sensing device

324302, G01V 300

Patent

active

052257789

ABSTRACT:
An improved optical pumping magnetometer with sequential polarization for measurement of weak magnetic fields involves a device which sequentially modifies the polarization either in the direction of the polarization or from clockwise to counterclockwise circular polarization. As a result of the sequential modification of the polarization, the magnetometer for measurement of the weak magnetic fields has excellent isotropy while still retaining a simple construction and a small overall dimension to the device by using only a single cell.

REFERENCES:
patent: 3211994 (1965-12-01), Colegrove et al.
patent: 3641426 (1972-02-01), Brun et al.
patent: 4005355 (1977-01-01), Happer et al.
patent: 4544891 (1985-10-01), Kawacki
Revue de Physique Appliquee, vol. 5, No. 1, Feb. 1970, pp. 121-130; J. L. Meilleroux, Progres Recents sur le Magnetometre a Vapeur de Cesium Type "asservi".

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