Atomic beam device using optical pumping

Details Atomic beam device using optical pumping Atomic beam device using optical pumping

1980-07-01

1984-01-10

Sikes, William L.

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

372 37, H01S 3091

Patent

active

044256531

ABSTRACT:
A method and apparatus are disclosed for optically pumping the atoms of an atomic beam into a single trap state. An atomic beam is produced and is passed through a region of weak magnetic field to produce a magnetic splitting of energy levels. The beam is illuminated with a laser beam to produce selected excitations. The spectral distribution of the laser light is selected (1) to excite the atoms of the atomic beam to excited levels from which the atoms can decay into the trap state and (2) to avoid exciting atoms out of the trap state. Particular applications of the method and apparatus are described for atomic or ionic clocks and masers.

REFERENCES:
Gerritsen et al., Multidirectional Doppler pumping: A new method to prepare an atomic beam having a large fraction of excited atoms. Appl. Phys. Lett., vol. 26, No. 6 (15 Mar. 1975) pp. 347-349.

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