Oscillators – Molecular or particle resonant type
Patent
1986-05-23
1987-11-10
LaRoche, Eugene R.
Oscillators
Molecular or particle resonant type
H01S 106
Patent
active
047060425
ABSTRACT:
An atomic resonance apparatus of the subject invention comprises means forming a cavity for containing an ensemble of atomic species in a gaseous state at a reduced pressure, said cavity forming means being defined by a container having outer and inner surfaces formed of a dielectric material and comprising the major portion of said container, said inner surface of said container defining a cavity resonator, said cavity resonator having an aperture for axial radial communication from the outer to the inner portions of said container for the introduction and withdrawal of atomic species therefrom, said cavity having a thin coating on its inner surface of an energy state minimizing composition to substantially reduce the interaction of said atomic species with said surface, said container having on its outer surface a thin outer conductive layer of a predetermined configuration, means proximate the end walls of said container for excluding atomic species therefrom, means providing a low intensity magnetic field for quantizing said ensemble of atomic species, means forming a resonant circuit electromagnetically coupled to the ensemble of atomic species and tuned to substantially the natural atomic hyperfine resonant frequency of the atomic species for receiving electromagnetic wave energy therefrom of an exceedingly stable frequency and spectral purity.
REFERENCES:
patent: 2698923 (1955-01-01), Edson
patent: 4123727 (1978-10-01), Peters
"A New Kind of Passively Operating Hydrogen Frequency Standard", F. L. Walls, and H. Hellwig, Proceeding, 30th Annual Symposium on Frequency Control, pp. 473-480, Jun. 1979 Fort Monmouth, New Jersey.
"A Small Passively Operated Hydrogen Maser", D. A. Howe, F. L. Walls, H. E. Ball and H. Hellwig, Proceedings, 33rd Annual Symposium on Frequency Control, pp. 554-562 (1979).
Alberding Gilbert E.
Ball Corporation
LaRoche Eugene R.
Pascal Robert J.
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