Oscillators – Automatic frequency stabilization using a phase or frequency... – Molecular resonance stabilization
Patent
1978-01-18
1979-03-27
Kominski, John
Oscillators
Automatic frequency stabilization using a phase or frequency...
Molecular resonance stabilization
324 05, H03B 312
Patent
active
041468481
ABSTRACT:
Frequency stabilization of a beam type device is disclosed that is particry well suited for avoiding cavity phase shift problems. A beam generator provides a molecular or atomic beam that is directed through a pair of spaced and separate interaction regions to a detector. The two interaction regions, such as cavities, provide independent regions into which different signals are injected with the injected signals being derived from an oscillator such as a crystal oscillator. The signal coupled to the interaction regions may be varied according to a general equation. The first signal may also be coupled into one of the interaction regions at a frequency substantially the same as the resonance frequency of the particles in the beam directed through the cavity, while the signal coupled to the other cavity may be caused to vary above and below the resonance frequency. At the detector, the envelope of the pattern impressed on the beam is detected and a correction signal derived therefrom with the correction signal then being coupled as a feedback signal to the oscillator for frequency stabilization thereof.
REFERENCES:
patent: 3060384 (1962-10-01), McCoubrey et al.
Hellwig Helmut W.
Jarvis, Jr. Stephen
Wineland David J.
Englert Alvin J.
Kominski John
Pawlikowski Eugene J.
The United States of America as represented by the Secretary of
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