Atomic frequency standard

Details Atomic frequency standard Atomic frequency standard

1993-03-09

1995-02-07

Dolinar, Andrew M.

Oscillators

Molecular or particle resonant type

331 3, H01S 106, H03B 1700, H03L 726

Patent

active

053878817

ABSTRACT:
The atomic frequency standard has a heating element (58) surrounding an enclosure (43) which defines a microwave resonance cavity (42). The heating element supplies heat to an absorption cell (41) located in the cavity. The absorption cell (41) is surrounded by electrodes (45a-45d) which act to enhance and orient the oscillating magnetic field in the region of the absorption cell. Thermally conductive members (47a-47d) connect the electrodes (45a-45d) to the enclosure (43) to better control the temperature of the cell while retaining the advantages due to the presence of the electrodes (45a-45d).

REFERENCES:
patent: 3382452 (1968-05-01), Rempel et al.
patent: 3798565 (1974-03-01), Jechart
patent: 4123727 (1978-10-01), Peters
patent: 4947137 (1990-08-01), Busca et al.
Proceedings of the 41th Annual Frequency Control Symposium-1987, pp. 75-81, New York, USA, "Hydrogen Maser for Radio Astronomy" by Peters, et al. (month unknown).
Radio Engineering and Electronic Physics, vol. 26, No. 11, Nov. 1981, Washington, US, p. 151, by Bochkov, et al. "Small-resonator Hydrogen Maser".
Proceedings of the 41st Annual Frequency Control Symposium-1987, pp. 25-35, New York, USA, "Ultra-sensitive frequency discrimination in a diode laser pumped Rb97 atomic clock" by Hashimoto, et al. (month unknown).

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