ATOMIC BEAM FREQUENCY STANDARD Russian patent published in 2010 - IPC H03L7/26 H01S1/06 

FIELD: physics.

SUBSTANCE: invention relates to frequency stabilisation technology and can be used in atomic beam frequency standards. The device has an atomic beam tube with an atomic beam source, a microwave resonator, an optical pumping photodector and an output photodetector device, as well as a tuned crystal oscillator, a laser detection module and a laser pumping module, connected in corresponding automatic frequency control loops, which use defined frequencies of atomic transitions of the working medium of the atomic beam tube as standard frequencies. The automatic frequency control loops also include respective devices for frequency automatic search, which, in a defined sequence, carry out initial ("coarse") tuning of the laser detection module, laser pumping module and the tuned crystal oscillator into corresponding frequencies of the used atomic transitions with subsequent switching to the standard mode of tracking these frequencies.

EFFECT: wider functional capabilities and increased stability.

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