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Atom frequency standard with resonance cell in cavity resonator - is operated with sufficiently strong magnetic field with hyper-fine structure of clock transition
Atom frequency standard with resonance cell in cavity resonator - is operated with sufficiently strong magnetic field with hyper-fine structure of clock transition
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机译：腔谐振器中带有谐振单元的原子频率标准-在足够强的磁场下运行，具有时钟转换的超精细结构
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摘要
The cavity resonator (2) is energised by an FM microwave oscillator (4-6). The resonance cell (1) is irradiated by a pumped light source (3). The microwave oscillator frequency is controlled by a phase control circuit, and the cavity resonator is surrounded by a magnetic screen (10). A change-over switch operates the atom frequency standard with a clock transition of the hyper-fine structure of the resonance cell at a magnetic field strength sufficient for sepn. of undesired junctions, on switching-on the atom frequency standard. After locking the phase control circuit to the clock transition, the magnetic field strength of the magnetic coil (9) is switched to a lower value. ADVANTAGE - Simple design for reducing dependence on magnetic field.
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