Method and apparatus for reduction of atomic frequency standard

Details Method and apparatus for reduction of atomic frequency standard Method and apparatus for reduction of atomic frequency standard

1994-11-17

1996-02-13

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Molecular resonance stabilization

331 941, H03L 726

Patent

active

054914515

ABSTRACT:
A method of reducing the interrogation signal phase noise in passive, compact, low-cost commercial atomic standards, particularly phase noise occurring at a Fourier frequency equal to twice the modulation frequency, 2f.sub.mod. The method involves selecting the modulation frequency so that 2f.sub.mod is on the order of, or greater than, the atomic bandwidth (full width at half maximum signal value).

REFERENCES:
patent: 4122408 (1978-10-01), Walls
patent: 4405905 (1983-09-01), Busca et al.
patent: 4947137 (1990-08-01), Busca et al.
patent: 4968908 (1990-11-01), Walls
patent: 5101506 (1992-03-01), Walls
patent: 5172064 (1992-12-01), Walls

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