Optical system of atomic oscillator and atomic oscillator

Details Optical system of atomic oscillator and atomic oscillator Optical system of atomic oscillator and atomic oscillator

2011-03-22

2011-03-22

Punnoose, Roy (Department: 2886)

Optics: measuring and testing

By polarized light examination

With light attenuation

C331S003000, C331S094100

Reexamination Certificate

active

07911611

ABSTRACT:
An optical system of an atomic oscillator that regulates an oscillation frequency by using an optical absorption property by one of a double resonance method utilizing light and micro waves and a coherent population trapping (CPT) method utilizing a quantum interference effect produced by two kinds of resonance light, includes: a light source emitting the resonance light; a gas cell disposed at an emitting side of the light source, sealing a gaseous metal atom therein and transmitting the resonance light through a metal atom gas; a light detecting unit detecting the transmitted light that is transmitted through the metal atom gas; and a fluorescence blocking unit blocking at least a part of fluorescence, which is emitted from the metal atom gas to the light detecting unit, and disposed between the metal atom gas and the light detecting unit.

REFERENCES:
patent: 5036278 (1991-07-01), Slocum
patent: 6201821 (2001-03-01), Zhu et al.
patent: 6222424 (2001-04-01), Janssen et al.
patent: 6265945 (2001-07-01), Delaney et al.
patent: 6993058 (2006-01-01), Zhu

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